There's been a mismerge somewhere on his line, I'd guess:
Consistency Check:Jan Gerrits Prinsloo born after the death of his father Gerrit Heyndricx Prinsloo.Marchien Prinsloo Gerrits born after the death of her father Gerrit Heyndricx Prinsloo.Jan Gerrits Prinsloo born after the death of his father Gerrit Heyndricx Prinsloo.Jan Gerrits Prinsloo born after the death of his mother Willemtgen Jansdochter.Marchien Prinsloo Gerrits born after the death of her mother Willemtgen Jansdochter.Jan Gerrits Prinsloo born after the death of his mother Willemtgen Jansdochter.