Clint Eastwood has had numerous casual and serious relationships of varying length and intensity over his life, many of which overlapped. Shortly after he met future wife Maggie Johnson on a blind date in 1953, Eastwood had an affair that resulted in a daughter, Laurie (born 1954), who was adopted by Clyde and Helen Warren of Seattle.

https://en.wikipedia.org/wiki/Personal_life_of_Clint_Eastwood