I couldn't find anything on his ancestry but you wrote that additions and corrections were welcomed.
In this book: Our colonial and continental ancestors : the ancestry of Mr. and Mrs. Louis William Dommerich Compiler: De Forest, Louis Effingham New York, N.Y.: DeForest Pub. Co., 1930, 441 pgs. pages 126, 127
It shows that the son, Samuel, died 9 June 1651, Springfield, MA and the daughter, Hannah, was born 4 Jan 1645, Hartford, CT and died 29 Apr 1658, Springfield, MA. The compiler named his sources for all of his information.
I downloaded the two pages from my access to Heritage Quest. If you would like, I could email them to you.