Helwich (Hadewych, Hadewich, Hertwig, Margeretha) van Merum (Merheim, Merheym)

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- 1 Helwich (Hadewych, Hadewich, Hertwig, Margeretha) van Merum (Merheim, Merheym) [1] b. Bef 1182 d. Abt 1235
- 2 Hendrik III van Cuyck [1.1]
b. Abt 1195 d. Abt 1254
- 3 Jan I van Kuyc [1.1.1]
b. Abt 1230 d. 13 Jul 1308
- 4 Kunigunde van Cuyck (ook wel Kuyc) [1.1.1.1]
b. 1270 d. 1329 [ =>]
- 4 Kunigunde van Cuyck (ook wel Kuyc) [1.1.1.1]
- 3 Jan I van Kuyc [1.1.1]
- 2 Hendrik III van Cuyck [1.1]