In all my RAPALJE papers I'm unable to find a Sophia that would correspond to yoursThe children of Marten Ryerson and Annetje Rapalje were: Marritje bapt nov 1664 mar. Paulus TURCK Jorisbapt Sept 1666 mar. Annetje Schouten. Ryer bapt 1669 mar. Rebecca VAN DER SCHEUREN. Catalyntje bapt. Jan 1671 mar Paulus VANDERBEEK. Sarah may 1673 mar. Gerret BERGEN (BURGER). Geertje 1675 mar Abraham (Gerrit) VAN DUYN. Jacobus Dec 1677 mar. Styntje Lott Reyerson. Helena 1679 mar Jan VAN NUYSE. >Syntje bapt April 2, 1682 < Cornelius 1684 mar. Sarah BERGEN Frans 1685 mar. Jannetje DAY. this all according to 1902 publication by Louis Johnes RYERSON " The Genealogy of the Ryerson Family in America" .There is nothing else on SYNTJE, and her name would translate to Cynthia.