Leon the Pig Farmer

Leon the Pig Farmer is a 1992 British comedy about a Jewish estate agent in London who discovers that thanks to an artificial insemination mishap, his real father owns a pig farm in Yorkshire. It was directed by Vadim Jean and Gary Sinyor, and starred Mark Frankel in the title role.

Jewish estate agent Leon Geller, who lives in London, discovers his father is not actually local businessman Sidney Geller but Yorkshire Dales pig farmer Brian Chadwick.

Source: Wikipedia