He was married to an otherwise unknown sister of Svale Ølversson, an "Ølversdotter", and had two known sons, Jon and Hallkjell.
He had two known children, the son Svale, and daughter Ulvhild (whos granddaughter Birgitte married Trond Tordson Benkestok).
He is regarded to likely have had three known sons, Ragnvald, Hallvard and Torgaut.
The Benkestok family was married into the Norwegian noble families Smør, Galte (later: Galtung) and Kane, which were the original Norwegian noble families.