Dutch term – Kwartierverlies

Roerdink family tree

The term kwartierverlies literally means 'loss of quarters,' where 'quarters' refer to a person's ancestors. The usual English translation is 'pedigree collapse.' Kwartierverlies occurs when the parents of a child are related to each other, so the same ancestors occur in multiple places in the child's pedigree chart. An example of pedigree … [Read more...]

Worst case of pedigree collapse ever?

Roerdink farm

My father's side of the family comes from a small village in the east of Gelderland called Winterswijk. Because so many of his ancestors came from that place, I am reconstructing its entire population. Doing such a one-place-study has given me a deeper understanding of life in that village and allowed me to make some interesting discoveries and … [Read more...]