The singer's son Sean, 44, joined the group wearing a ... Also joining the sweet family shot was Rod's son Liam Stewart, 30, and his wife Nicole Artukovich, who the ice hockey player married ...

Rod and ex-girlfriend Kelly Emberg share a daughter, Ruby, 38. Rod and Alana Stewart have daughter Kimberly, 46, and son Sean, 45. When Rod was 17 years old, he and his girlfriend at the time had ...

Alana Stewart, divorced in 1984. Schwimmer would have been 18 years old that year. (Before their split, Rod and Alana, now 79, welcomed daughter Kimberly and son Sean in 1979 and 1980, respectively.) ...

Taking to Instagram, the singer's model son, Alastair Stewart ... whom he shares with Penny, Rod is also a father to Sarah Streeter, Kimberly Stewart, Sean Stewart, Ruby Stewart, Renee Stewart ...

Rod Stewart may not officially ... "Early birthday celebrations," Stewart captioned the fun-filled snap, which showed him posing with wife Penny Lancaster and sons Sean, 44, Liam, 30, Alastair ...

He shares Kimberly and Sean with his ex-wife Alan Stewart ... welcomed Alastair and Aiden. Rod is grandfather to Kimberly’s daughter Delilah, Ruby’s son Otis and Liam’s son Louie.

No expense was said to be spared as Sir Rod Stewart celebrated his 80th birthday ... including Kimberley, 45, Sean, 44, Ruby, 37, Renee, 32, Liam, 30, Alastair Wallace, 19, and Aiden Patrick ...

Rod was first married to Alana Stewart from 1979 to 1984, and the couple share two children - daughter Kimberly, 43, and son Sean, 42. His second wife was model Rachel Hunter from 1990 to 2006 ...