The duchess' father said he is worried he will never meet his grandchildren due to their estranged relationship.
"In paternity cases, facial similarities can be crucial."
Two events this week have brought divisions back into the light.
It's the first time senior royal family members have been spotted together since Lilibet's birth.
Lilibet was born a week ago in California.
The dispute has propelled divisions between the Sussexes and the media back into the spotlight.
The Bench has been panned by critics as "bland" with "no story".
Morgan stayed true to form with his petty attack on the Duchess.
The family is "delighted by the news" of Lilibet Diana's birth.