The unusual name given to the newborn son of Wayne Rooney was picked by the Manchester United striker's wife Coleen.

Kai, the 68th most popular name for baby boys in the UK, has several different meanings around the world.

In Burma it means unbreakable, in Nigeria it can mean love, in Japan it translates as the ocean and in Chinese Mandarin it means victory.

In ancient Persian it means Great King and in Scandinavia it can mean keeper of the keys.