Listed as a possible son of Jacob and Anna (Buman) Ryeff:'[?] Daniel Ryeff, b. c1592. He married Elsbeth Strickler. He lived in Richterswil, Zurich in 1640. [His] children were baptized at Wädenswil.'Their first child was baptized Aug 1615.
'Daniel Rÿff [son of Jacob Rÿff and Anna Buman] b. ca1592, Wädenswil, Zurich, Switzerland. He m. Elsbeth Strickler.'