Not his tv wife, His real life wife was on the show. She appeared several times as a background player as when the choir was rehearsing. She is standing behind and to the side of Aunt Bee.
After The Andy Griffith Show had run it's course Griffith changed gears. He played attorney Ben Matlock, kind of a bumbler with a bad suit. But of course he always solved the murder and his clients...
Like the ( origins) of say, Green acres, this was never gotten into in any detail. it was assumed that Sheriff Taylor was a Widower, with the borderling possibility the child may have been adopted-...