Rod Stewart posed with all four of his sons at the weekend

His beloved wife, Penny Lancaster, published a picture of the proud father-of-eight posing with four of his sons.

According to Hello Magazine, Rod Stewart wife, Penny Lancaster, posted a picture of the 73-year-old rocker posing with four of his children on Monday, April 9.

According to Daily Mail, in the family photo, Sir Rod Stewart looked proud while he was smiling with his sons, wrapping his arms around them.

His brood, who range in age from 7 to 37 years old, also looked relaxed and enjoying the moment in the picture, portraying Stewart's family as a happy unit.

Rod's youngest sons, 12-year-old Alastair, and 7-year-old Aiden, who he shares with Lancaster, were seen on his right side, as little Aiden was pulling a peace sign.

Standing to Rod's left side was his middle son, 24-year-old Liam, son of Rod's former wife, model Rachel Hunter, who was married to him from 1990-2006.

Stewart's lookalike featured a heavy beard and patterned shirt for the family photo. The famous songwriter also has a daughter with the model, 25-year-old Renee.

In the right corner of the photograph, with a happy smile on his face, was 37-year-old Sean, son of the musician with ex-wife Alana Hamilton, to whom he was married from 1979-1984.

Stewart also has a daughter from this relationship, called Kimberly. The musician also raises 30-year-old Ruby, daughter of model Rod's ex-girlfriend, 57-year-old Kelly Emberg.

His first child, named Sarah Streeter, who was raised by adoptive parents, is the daughter of Susannah Boffey, an art student who had an affair with the musician.

Lancaster and the Stewart bunch recently enjoyed a fun trip as she shared lovely pictures of them skiing and having quality family time at the Capilano Suspension Bridge Park in Vancouver.