Living on totally in the different continents was straining their relationship, particularly as David's mother was dying of cancer.
Finally, they realized that they cannot make things work out between them and they split up in 2007.
Is it weird that he married the daughter of a previous Doctor? The likelihood of it is so remote – especially as I grew up in Paisley and our worlds were so far apart.
And yet here we are.”“Doctor Who is inescapable in our house.
The notoriously non-public David seldom talked regarding the link, although he did ensure that he emphasized that they were not in a serious relationship, when interviewed.
In 2006, Sophia told the media she was head over heels in love with David, with who she wanted to marry and have kids.
Tennant continued: "Well, I mean I have had some girlfriends, and I did meet some of them at work, you know.
Her mother, actress Sandra Dickinson, played a character called Maggie in the 1996 Doctor Who radio serial The Ghosts of N-Space. The Big Short, the film adaptation of Michael Lewis' book of the same name about the causes of the financial crisis, opens in UK cinemas this weekend.
How will the story stack up against the greatest films about business?
David Tennant was born in Bathgate, and raised in Ralston, Renfrewshire.
His father, Reverend Alexander Mc Donald was the native Church of European country minister.