William May is a minor character in the first season of ABC's/ Marvel's Agents of S.H.I.E.L.D.
He was the ex-husband of Lian May,the father of Melinda May, and the former father-in-law of Andrew Garner. Unlike his daughter and ex-wife, William is not a spyHe knows his daughter is a S.H.I.E.L.D agent and how she couldn't live a normal life because it was not in her nature.