Mathew and Elizabeth have 2 children recorded in 1650.
Sources
Stickney, M. A., A Copy of The First Book of Births, &c., of The Town of Rowley, with notes. John Miller, Recorder, 1650, Historical Collections of The Essex Institute (Salem, Massachusetts, 18562) Vol. 4, Page 19.
"Mercy Boyes, daughter of Mathew & Elizabeth, borne the second moneth, the twenty-sixt day."