Mary Yseren
1. Mary Yseren was born in 1535 (daughter of Dirk Yseren and Agnes); and died. 
2. Dirk Yseren was born in 1515 (son of Cornelis Yseren and Berte Gelmers); died in 1549. Dirk + Agnes. Agnes died in 1560. [Group Sheet] [Family Chart]
3. Agnes died in 1560. Children: 
- 1. Mary Yseren was born in 1535; and died.
 
Generation: 3
4. Cornelis Yseren (son of Thomas Yseren and N.N.). Cornelis + Berte Gelmers. [Group Sheet] [Family Chart]
5. Berte Gelmers Children: 
- Andries Yseren
 - 2. Dirk Yseren was born in 1515; died in 1549.
 
Generation: 4
8. Thomas Yseren was born in 1463 (son of Andries Yseren and Alyt N.N.); died in 1544. Thomas + N.N.. [Group Sheet] [Family Chart]
9. N.N. Children: 
- Willem Yseren was born in 1513; and died.
 - 4. Cornelis Yseren
 
Generation: 5
16. Andries Yseren was born in 1440 (son of Andries Yseren and Wilhelma van Arkel); died in 1484. Andries + Alyt N.N.. Alyt died after 1510. [Group Sheet] [Family Chart]
17. Alyt N.N. died after 1510. Children: 
- Andries Yseren was born in ~1460 in Zutphen, Gelderland, Netherlands; and died.
 - Willem Yseren and died.
 - 8. Thomas Yseren was born in 1463; died in 1544.
 - Gerrit Yseren was born in ~1470; died in ~1530.
 - Anna Yseren and died.
 
Generation: 6
32. Andries Yseren was born in ~1417 (son of Andries Yseren and Stijne van de Colcke); died in 1453. Andries married Wilhelma van Arkel on 3 Jun 1436. Wilhelma (daughter of Willem van Arkel) was born in ~1417; and died. [Group Sheet] [Family Chart]
33. Wilhelma van Arkel was born in ~1417 (daughter of Willem van Arkel); and died. Children: 
- N.N. Yseren died before 1486.
 - N.N. Yseren and died.
 - Willem Yseren was born in ~1438; died in 1503.
 - 16. Andries Yseren was born in 1440; died in 1484.
 
Generation: 7
64. Andries Yseren was born in 1355 (son of N.N. Yseren); died before 1413. Andries + Stijne van de Colcke. Stijne (daughter of Willems van de Colcke) was born in ~1350; and died. [Group Sheet] [Family Chart]
65. Stijne van de Colcke was born in ~1350 (daughter of Willems van de Colcke); and died. Children: 
- Alphert Yseren was born in 1385; died before 1466.
 - Jutte Yseren was born in ~1390; and died.
 - 32. Andries Yseren was born in ~1417; died in 1453.
 - Vrederinne Yseren
 
66. Willem van Arkel was born in ~1380 (son of Jan van Arkel and Joanna van Gulik); died in 1417. Children: 
- Johanna van Arkel was born in ~1417; and died.
 - Isabel van Arkel was born in ~1417; and died.
 - Anna van Arkel
 - 33. Wilhelma van Arkel was born in ~1417; and died.
 
Generation: 8
128. N.N. Yseren (son of N.N. Yseren). Children: 
- 64. Andries Yseren was born in 1355; died before 1413.
 - N.N. Yseren was born in ~1360; and died.
 
130. Willems van de Colcke was born in ~1320; and died. Children: 
- 65. Stijne van de Colcke was born in ~1350; and died.
 
132. Jan van Arkel was born in 1362 in Leerdam, Zuid-Holland, Netherlands; died on 25 Aug 1428 in Leerdam, Zuid-Holland, Netherlands. Jan married Joanna van Gulik on 18 Oct 1376. Joanna (daughter of Willem van Gulik and Maria van Wassenberg) was born in 1362 in Jülich, Nordrhein-Westfalen, Germany; died in 1432. [Group Sheet] [Family Chart]
133. Joanna van Gulik was born in 1362 in Jülich, Nordrhein-Westfalen, Germany (daughter of Willem van Gulik and Maria van Wassenberg); died in 1432. Children: 
- 66. Willem van Arkel was born in ~1380; died in 1417.
 - Marie van Arkel was born in 1389; died on 19 Jul 1415.
 - Otto van Arkel was born in 1400; died in 1475.
 
Generation: 9
256. N.N. Yseren Children: 
- 128. N.N. Yseren
 - Gelys Yseren
 
266. Willem van Gulik was born in ~1330 (son of Willem van Gulik and Johanna van Holland); died on 13 Dec 1393. Willem + Maria van Wassenberg. Maria was born in ~1325; died on 12 May 1405. [Group Sheet] [Family Chart]
267. Maria van Wassenberg was born in ~1325; died on 12 May 1405. Children: 
- 133. Joanna van Gulik was born in 1362 in Jülich, Nordrhein-Westfalen, Germany; died in 1432.
 - Willem van Gelre en Gulik was born on 6 Mar 1364; died on 16 Feb 1402 in Arnhem, Gelderland, Netherlands.
 - Reinoud IV van Gulik was born in ~1365; died on 25 Jun 1423 in Terlet, Gelderland, Netherlands.
 
Generation: 10
532. Willem van Gulik was born in 1290; died on 26 Feb 1361. Willem married Johanna van Holland on 26 Feb 1324 in Cologne, Nordrhein-Westfalen, Germany. Johanna (daughter of Willem van Holland and Jeanne van Valois) was born in 1316; died in 1374. [Group Sheet] [Family Chart]
533. Johanna van Holland was born in 1316 (daughter of Willem van Holland and Jeanne van Valois); died in 1374. Children: 
- 266. Willem van Gulik was born in ~1330; died on 13 Dec 1393.