Mart married her 7th cousin (both descend from Klaas Grasboer (c1700-)), her double 8th cousin (both descend from Outjer Buurman (c1665-?) and Jan Egges (1643-1695)), her 8th cousin once removed (both descend from Pieter Kreuk (bef1640-bef1681)), and her 9th cousin once removed (both descend from Jan Koeijedooder (c1636-1694)).
|Yvonne A.A.M. Tol (1966-)||1966 Hoorn, North Holland, Netherlands||Klaas van Leyden (1960-)|
|J.N. Ronald Tol (1968-)||1968 Hoorn, North Holland, Netherlands||Jacqueline Borst|
|Richard S.J. Tol (1969-)||2 December 1969 Hoorn||Julie Anne Stokes (?-)|