Mike Tindall has given a unique insight into his close bond with Princess Anne - including what he calls his mother-in-law behind closed doors. The former rugby professional married Zara Tindall - who is Princess Anne 's only daughter - back in 2011. The pair, who met in 2003, now share three children - Mia, 10, Lena, six, and three-year-old Lucas.

Mike Tindall has been part of the Royal Family for over a decade after marrying Zara Tindall in 2011 and he has now revealed how he addresses his mother-in-law Princess Anne in private

"M'am, not Mum!" said the retired rugby star, who is married to the Princess Royal's daughter, Zara Mike Tindall knows just what to call his royal mother-in-law, Princess Anne. On Nov. 4, the retired rugby star made the revelation while appearing on Good Morning Britain to discuss his new book,

Mike Tindall has been part of the Royal Family for over a decade after he married the daughter of Princess Anne, Zara Tindall, in 2011, and he has finally revealed how he addresses his mother-in-law in private.