Children of Beert Jacbsen are:
Jan Jansen, born Abt. 1650. He married Geertje Beerts Aft. 1698; born December 24, 1654 in Ermelo/Leuvenum, Netherlands.
Hartger Gerritsen, born January 10, 1657/58 in Ermelo, Netherlands; died WFT Est. 1717-1721 in Ermelo, Netherlands. He married (1) Garmen Jans van Hussel Aft. 1689; born November 25, 1657 in Ermelo, Netherlands; died WFT Est. 1694-1695 in Ermelo, Netherlands. He married (2) Gerritje Teunis Aft. 1697; born June 20, 1674 in Ermelo, Netherlands; died Abt. 1728 in Ermelo, Netherlands.
Gerrit Cornelissen Mulder, born June 04, 1666 in Ermelo, Netherlands. He married Marritje Jans Bef. 1694; born Bef. 1675.
Johannes Barendsen Verstege, born Abt. 1670.
Gijsbert Elbertsen, born Bef. 1672.
Aalt Teunissen, born Aft. 1685.
Willem Reijersen, born July 07, 1689 in Harderwijk, Netherlands; died January 25, 1779 in Ermelo, Netherlands. He married Jannetje Hendriks April 16, 1719 in Harderwijk, Netherlands; born December 17, 1696 in Harderwijk, Netherlands; died Abt. 1752.
Rijck Jansen, born Aft. 1690. He married Claaje Willems April 17, 1707 in Putten, Netherlands; born Aft. 1690.
