The Prince Valiant star is spending his birthday with family and friends in Aspen, with a celebratory dinner planned at ...

His youngest son, Joe (Robert Wagner), was born by his second wife, Señora Devereaux (Katy Jurado), a Native American who passes herself off as Mexican due to racist laws against her people.

The actor's own Instagram account also shared a post celebrating his big day, featuring a roll of pics from throughout his life.