Stevens,who recently made an award-winning film about trying to track down his biological father -- and perhaps 200 half-siblings -- is part of a lobby pushing the Canadian government to give DI offspring more details about donors.

• 史蒂文斯最近拍摄的一部获奖影片反映了他设法寻找生身父亲和大约200名同父异母兄弟姐妹的经历。他正参与游说加拿大政府让人工授精孩子了解关于捐精者更多情况的活动。