CHR: Ruckinge BTs (FHL #1737003 item 2). Mother is identified as Mary in Ruckinge ATs (FHL #1752063 item 2). No mother is mentioned in BTs entry. See burial entry, below.
BUR: Ruckinge BTs. "Isaac Chittenden by William and Mary Pelham, widow." The entry in Ruckinge ATs shows that Isaac was an illegitimate child: "Isaac Chitten[den] a bastard of Will[iam] and Mary Pelham widow."