Edward Gaskill, of Salem was not a known son of Edward Gaskill, of Salem & Sarah Gaskill
From https://www.wikitree.com/wiki/Gascoigne-440
According to Anderson's The Great Migration Directory, Edward's origins are unknown. No reliable sources in the profile show he was the son of Edward Gascoigne (1547-1657) and Sarah Fearns (1581-1601) (who was dead before his birth per her profile); these parents have been disconnected.
Additionally, his children need sourcing / cleanup.