Tim Considine, best known as a popular Disney actor in the 1950s and as the eldest brother on the hit series My Three Sons, has died at the age of 81.The veteran actor passed awayat his home in the Mar Vista neighborhood of Los Angeles on Thursday, March 3, surrounded by family.His death was announced publicly by his son Christopher Considine, and then was shared on Facebook by his My Three Sons co-star Stanley Livingston. RIP: Veteran actor Tim Considine passed away at his homein the Mar Vista neighborhood of Los Angeles on Thursday, March 3'Just want to say how sad I am to learn that my life-long friend and surrogate older brother, TIM CONSIDINE, passed away yesterday,' wrote Livingston, who played Richard 'Chip' Douglas during the sitcom's 12 season run.'On screen, Tim also played my older brother MIKE on MY THREE SONS.