<div class="col-sm-3">
<label for="thirdPerson">В пользу 3-го лица</label>
<div style="padding: 8px 0 0 5px;">
<input type="checkbox" id="thirdPerson" disabled />
</div>
<div id="familyMemberGroup" style="display: none; margin-top: 12px;">
<label for="familyMember">В пользу родственника</label>
<div style="padding: 8px 0 0 5px;">
<input type="checkbox" id="familyMember" disabled />
</div>
</div>
</div>