http://www.jabberwocky.nl/prive/Stamboom/ps12/ps12_241.html
http://www.geocities.com/hendrikbeers/jmkohler.htm (Nr. 184/185, IV)
♥ = Vorfahren __ | __|__ | ♥ Willem de WIJS | __ | x1640 | | | |__|__ | ♥ Reijer Willems de WIJS | __ | (1640-1719)x1660 | | | | __|__ | | | | |♥ N. | __ | x1640 | | | |__|__ |--Emke de WIJS | (1675-....)x1700 __ | | | __|__ | | | ♥ Henrik | __ | | | | | | |__|__ | | |♥ Helena Henrix | __ x1660 | | | __|__ | | |♥ N. | __ | | |__|__