diff --git a/spec/factories/sales_log.rb b/spec/factories/sales_log.rb
index 2e6729a4f..945b58201 100644
--- a/spec/factories/sales_log.rb
+++ b/spec/factories/sales_log.rb
@@ -39,6 +39,7 @@ FactoryBot.define do
       ecstat2 { "1" }
       hholdcount { "1" }
       wheel { 1 }
+      details_known_1 { 1 }
       age3_known { 0 }
       age3 { 40 }
       details_known_2 { 1 }
diff --git a/spec/models/form/sales/pages/person1_age_spec.rb b/spec/models/form/sales/pages/person1_age_spec.rb
index 38f4ac039..553a7cff4 100644
--- a/spec/models/form/sales/pages/person1_age_spec.rb
+++ b/spec/models/form/sales/pages/person1_age_spec.rb
@@ -30,10 +30,7 @@ RSpec.describe Form::Sales::Pages::Person1Age, type: :model do
   it "has correct depends_on" do
     expect(page.depends_on).to eq(
       [
-        { "hholdcount" => 1 },
-        { "hholdcount" => 2 },
-        { "hholdcount" => 3 },
-        { "hholdcount" => 4 },
+        { "details_known_1" => 1 },
       ],
     )
   end
diff --git a/spec/models/form/sales/pages/person1_gender_identity_joint_purchase_spec.rb b/spec/models/form/sales/pages/person1_gender_identity_joint_purchase_spec.rb
index 1b0bfdc52..94975b2e3 100644
--- a/spec/models/form/sales/pages/person1_gender_identity_joint_purchase_spec.rb
+++ b/spec/models/form/sales/pages/person1_gender_identity_joint_purchase_spec.rb
@@ -28,9 +28,6 @@ RSpec.describe Form::Sales::Pages::Person1GenderIdentityJointPurchase, type: :mo
   end
 
   it "has correct depends_on" do
-    expect(page.depends_on).to eq([{ "hholdcount" => 1, "jointpur" => 1 },
-                                   { "hholdcount" => 2, "jointpur" => 1 },
-                                   { "hholdcount" => 3, "jointpur" => 1 },
-                                   { "hholdcount" => 4, "jointpur" => 1 }])
+    expect(page.depends_on).to eq([{ "details_known_1" => 1, "jointpur" => 1 }])
   end
 end
diff --git a/spec/models/form/sales/pages/person1_gender_identity_spec.rb b/spec/models/form/sales/pages/person1_gender_identity_spec.rb
index 54a8eaf4f..ac63a1da7 100644
--- a/spec/models/form/sales/pages/person1_gender_identity_spec.rb
+++ b/spec/models/form/sales/pages/person1_gender_identity_spec.rb
@@ -28,11 +28,6 @@ RSpec.describe Form::Sales::Pages::Person1GenderIdentity, type: :model do
   end
 
   it "has correct depends_on" do
-    expect(page.depends_on).to eq([
-      { "hholdcount" => 1, "jointpur" => 2 },
-      { "hholdcount" => 2, "jointpur" => 2 },
-      { "hholdcount" => 3, "jointpur" => 2 },
-      { "hholdcount" => 4, "jointpur" => 2 },
-    ])
+    expect(page.depends_on).to eq([{ "details_known_1" => 1, "jointpur" => 2 }])
   end
 end
diff --git a/spec/models/form/sales/pages/person1_known_spec.rb b/spec/models/form/sales/pages/person1_known_spec.rb
new file mode 100644
index 000000000..9353b82aa
--- /dev/null
+++ b/spec/models/form/sales/pages/person1_known_spec.rb
@@ -0,0 +1,44 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Pages::Person1Known, type: :model do
+  subject(:page) { described_class.new(page_id, page_definition, subsection) }
+
+  let(:page_id) { nil }
+  let(:page_definition) { nil }
+  let(:subsection) { instance_double(Form::Subsection) }
+
+  it "has correct subsection" do
+    expect(page.subsection).to eq(subsection)
+  end
+
+  it "has correct questions" do
+    expect(page.questions.map(&:id)).to eq(%w[details_known_1])
+  end
+
+  it "has the correct id" do
+    expect(page.id).to eq("person_1_known")
+  end
+
+  it "has the correct header" do
+    expect(page.header).to eq("")
+  end
+
+  it "has the correct header_partial" do
+    expect(page.header_partial).to eq("person_1_known_page")
+  end
+
+  it "has the correct description" do
+    expect(page.description).to eq("")
+  end
+
+  it "has correct depends_on" do
+    expect(page.depends_on).to eq(
+      [
+        { "hholdcount" => 1 },
+        { "hholdcount" => 2 },
+        { "hholdcount" => 3 },
+        { "hholdcount" => 4 },
+      ],
+    )
+  end
+end
diff --git a/spec/models/form/sales/pages/person2_known_spec.rb b/spec/models/form/sales/pages/person2_known_spec.rb
index 57bac950f..46ab592de 100644
--- a/spec/models/form/sales/pages/person2_known_spec.rb
+++ b/spec/models/form/sales/pages/person2_known_spec.rb
@@ -34,9 +34,9 @@ RSpec.describe Form::Sales::Pages::Person2Known, type: :model do
   it "has correct depends_on" do
     expect(page.depends_on).to eq(
       [
-        { "hholdcount" => 2 },
-        { "hholdcount" => 3 },
-        { "hholdcount" => 4 },
+        { "hholdcount" => 2, "details_known_1" => 1  },
+        { "hholdcount" => 3, "details_known_1" => 1  },
+        { "hholdcount" => 4, "details_known_1" => 1  },
       ],
     )
   end
diff --git a/spec/models/form/sales/questions/person1_known_spec.rb b/spec/models/form/sales/questions/person1_known_spec.rb
new file mode 100644
index 000000000..e1207ea1b
--- /dev/null
+++ b/spec/models/form/sales/questions/person1_known_spec.rb
@@ -0,0 +1,64 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::Person1Known, type: :model do
+  subject(:question) { described_class.new(question_id, question_definition, page) }
+
+  let(:question_id) { nil }
+  let(:question_definition) { nil }
+  let(:page) { instance_double(Form::Page) }
+
+  it "has correct page" do
+    expect(question.page).to eq(page)
+  end
+
+  it "has the correct id" do
+    expect(question.id).to eq("details_known_1")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("Do you know the details for person 1?")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to eq("Details known for person 1?")
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("radio")
+  end
+
+  it "is not marked as derived" do
+    expect(question.derived?).to be false
+  end
+
+  it "has the correct answer_options" do
+    expect(question.answer_options).to eq({
+      "1" => { "value" => "Yes" },
+      "2" => { "value" => "No" },
+    })
+  end
+
+  it "has correct conditional for" do
+    expect(question.conditional_for).to eq(nil)
+  end
+
+  it "has the correct hint" do
+    expect(question.hint_text).to eq("")
+  end
+
+  it "has the correct hidden_in_check_answers" do
+    expect(question.hidden_in_check_answers).to eq(
+      {
+        "depends_on" => [
+          {
+            "details_known_1" => 1,
+          },
+        ],
+      },
+    )
+  end
+
+  it "has the correct check_answers_card_number" do
+    expect(question.check_answers_card_number).to eq(3)
+  end
+end