The Doctor's Daughter Played the Doctor's Daughter on the Doctor's Daughter, and Then Married the Doctor, and Had a Daughter

BBC America has been running a Dr. Who marathon.

I just saw the episode The Doctor's Daughter, which had Georgia Moffett starring as Jenny the daughter (clone) of the Doctor.

Ms. Moffet is the daughter of the 5^th Doctor, Peter Davison. (Davison is his stage name, his birth name is Moffatt)

She co-starred with David Tennant, who played the 10th Doctor.

Tennant and Moffett later had a daughter (2 actually, as well as 2 sons).

This is profoundly weird.