per peerless, but numbers seem out of order:
Adolph I's father was Adolf III Graf von der Mark und Kleve, d 07 Sep 1394
married in 1369 Margaret von Jülich, daughter of Gerhard VI Herzog von
Jülich and Margaret von Ravensberg, daughter of Otto IV Graf von Ravensberg
and Margaret von Berg
15 children.
Gerhard's parents were Wilhelm V Markgraf von Jülich and Jeanne de Hainaut,
daughter of Guillaume V (III), Comte de Hainaut, Hollande et Zélande
and Jeanne de Valois
Wilhelm's parents were Gerhard V Graf von Jülich and Elizabeth de Brabant,
daughter of daughter of Godefroy de Brabant, Seigneur d'Aerschot et de
Vierzon
Gerhard's parents were Wilhelm IV Graf von Jülich and Margaret von Geldern.
Adolph III's father was Adolf II Graf von der Mark, d 1347
married 2nd in 1332 Margaret von Kleve, daughter of Dietrich VIII Graf
von Kleve and Margaret von Geldern
Children Adolph, Dietrich, Eberhard, Mechtild, Margaret, Englebert.
Dietrich VIII's parents were Dietrich VII Graf von Kleve and Margaret von
Habsburg
Dietrich VII's parents were Dietrich VI Graf von Kleve and Adelheid von
Heinsberg
Dietrich VI's parents were Dietrich V Graf von Kleve and Hedwig von Meißen,
daughter of Dietrich Markgraf von Meißen and Jutta von
Thuringe
Dietrich V's parents were Dietrich IV Graf von Kleve and Marguerite de
Hollande
Dietrich IV's parents were Dietrich III von Kleve and Adelheid von
Sulzbach
Dietrich III's father was Arnold II Graf von Kleve c 1150
Englebert II Graf von der Mark, d 1328
married in 1299 Matilda von Arenberg,
children Adolph, Englebert, Matilda, Imgard, Catherine, Richard, Eberhard,
Margaret.