Grace Keir (USA), Bob Flint (USA), G. Koolman (USA), Judy Clapp (USA),O.F. Koolman, (USA), B.Bell (Australia), Jan Eskel ten Doornkaat Koolman (Germany), Jan Ulrich ten Doornkaat Koolman (Germany), Torsten ten Doornkaat Koolman (Germany), Kay Uwe Wilm ten Doornkaat Koolman (Germany), Family Koolmann (Germany), Jan Koolman (Germany), Michael Koolman (Germany), Thomas Koolman (Netherlands), Leendert H.J. Koolman (Netherlands), Engel Hilko Koolman (Netherlands), Engel Hendrik Koolman (Netherlands), Jan Koolman (Netherlands), Olferdus Koolman (Netherlands), Janneke D. Koolman (Netherlands), Siewert Koolman (Netherlands), Gina Koolman (Netherlands), Arie Koolman (Netherlands), Cora Koolman (Netherlands), Maria Koolman and family (Netherlands), Suzanne Koolman, (Netherlands), Iris Koolman (Netherlands), Douwe Hoving (Netherlands), Anke Coolman  † (Netherlands), Willem (Bim) Coolman (Netherlands), Harko Nanne Coolman (Netherlands), Fiepko Willem Coolman and family (Netherlands), Sander Harko Coolman and family (Netherlands), Bea Coolman (Netherlands), Willem Coolman and familie (Netherlands), Buiskool Leeuwema (Netherlands), Joop van Katwijk (Netherlands), and Luurd Fiepko Coolman and family (Netherlands). For searching at the family van Loenen: Jantje Mulder (Netherlands), Siepko van Loenen (Netherlands), Luppo van Loenen (Netherlands),  Fred van Loenen (Netherlands), Wander Jager (Netherlands), Allard en Alma van de Gruiter/ van Loenen (Netherlands), H.J. van loenen (Netherlands), Ben van Loenen, (Netherlands), Robert en Monique van Loenen (Netherlands)  and Peter van Loenen (Netherlands). 



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