From the Foundation for Medieval Genealogy Medland project page on Lower Rhine (covering her birth family):

http://fmg.ac/Projects/MedLands/FRANCONIA%20(LOWER%20RHINE).htm#MargaretaMarkdied1409

 ADOLF [II] (-19/20 Oct 1347, bur Fröndenberg).  

• His parentage is confirmed by the papal dispensation issued for his marriage "Adolphi primogeniti…filii…Engelberti comitis de Marka", dated 17 Jun 1327[1115].
• Graf von der Mark.

Betrothed to IRMGARD von Kleve, daughter of OTTO Graf von Kleve & his second wife Mechtild von Virneburg.

• Pope John XXII issued a dispensation for the marriage of "Adolphi primogeniti…filii…Engelberti comitis de Marka" and "Margarete nate…filii…Theoderici comitis Cleuensis", stating that the bridegroom had previously been betrothed to "Ermegardi nata quondam Ottonis de Cleuis", dated 17 Jun 1327[1116].

m (Papal dispensation 17 Jun 1327, 15 Mar 1332) MARGARETA von Kleve, daughter of DIETRICH [VII] Graf von Kleve & his first wife Margareta van Gelre (-after 18 Sep 1348).

• Pope John XXII issued a dispensation for the marriage of "Adolphi primogeniti…filii…Engelberti comitis de Marka" and "Margarete nate…filii…Theoderici comitis Cleuensis", stating that the bridegroom had previously been betrothed to "Ermegardi nata quondam Ottonis de Cleuis", dated 17 Jun 1327[1117].
• "Didderic greue van Cleue, Aloph greue van der Marka, Margareta greuinne van der Marka onse…wijf ende Johan van Cleue doemdeken van Colen" issued a charter dated 16 Aug 1341 relating to the marriage of "Lysabet dochter ons greuen van Cleue" and "Otten audesten soen des lantgreuen van Hessen", recording "heren Gerarde heer van Voerne, dy haer man was"[1118].

Adolf [II] & his wife had seven children:

a) ENGELBERT [III] ([28 Feb] 1333-Wetter 22 Dec 1391).

• Graf von der Mark. "Adolph greue van Cleue" and "Diderich van der Marke gebroedere" agreed to share "der graesscap van der Marke" after the death of "onse…broder…Engelbrecht greue van der Marke" by charter dated 14 May 1380[1119].
• m firstly (Papal dispensation 9 Dec 1348, before 11 Oct 1354) RICHARDIS von Jülich, daughter of WILHELM [V] Graf von Jülich & his wife Jeanne de Hainaut (-[23 Feb 1374/5 Apr 1381]).
• m secondly (5 Apr 1381) as her first husband, ELISABETH von Sponheim, daughter and heiress of SIMON [III] Graf von Sponheim [“vordere Grafschaft”] Graf von Vianden & his wife --- (1365-Kreuznach 3 Sep 1417, bur Kreuznach Pauluskirche). She married secondly (1392 before 30 Aug) Ruprecht Pfalzgraf bei Rhein.
• Engelbert [III] & his first wife had one child: Margareta (d. between 26 Apr 1395 and 14 Oct. 1406, m. Philipp von Falkenstein und Munzenburg)

b) ADOLF [III] (1334-Kleve 7 Sep 1394, bur Kleve).

• Archbishop of Köln 1363-1364.
• Graf von Kleve. "Adolph greue van Cleue" and "Diderich van der Marke gebroedere" agreed to share "der graesscap van der Marke" after the death of "onse…broder…Engelbrecht greue van der Marke" by charter dated 14 May 1380[1121].

c) DIETRICH (1336-Wesel 25 May 1406).

• "Adolph greue van Cleue" and "Diderich van der Marke gebroedere" agreed to share "der graesscap van der Marke" after the death of "onse…broder…Engelbrecht greue van der Marke" by charter dated 14 May 1380[1122].
• Bishop of Liège 1389, resigned.

d) EBERHARD (1341-after 1360).

• Priest at Münster.

---

e) MARGARETA (-12 Sep 1409).

• "Alf graue van der Mark unde Margret sin…husfrouwe" agreed with "Otten grauen van Nassauwe und frouwen Aleyde" that "eine dochter van unseren dochteren" would marry "einem sone van soenen…Otten grauen van Nassauwe und frouwen Alheyd vorgenant" by charter dated 14 Aug 1343[1123]. "Johan greue tho Nassouwe der jungste" acknowledge receipt from "unse…suager Engelbracht greue van der Marke" of the dowry for his marriage "mit syuer suster Margareten van der Marke unser…huysvrouwen" by charter dated 23 Sep 1369[1124].

m (contract 14 Aug 1343, 20 Nov 1357) JOHANN Graf von Nassau-Dillenberg, son of OTTO II Graf von Nassau in Siegen und Dillenburg & his wife Adelheid von Vianden (-Herborn 4 Sep 1416, bur Kloster Keppel).

---

f) MECHTILD (-after 18 Oct 1390).

• m EBERHARD von Isenburg-Grenzau, son of --- (-[1399]).

g) ELISABETH .

• m (before 1361) GUMPRECHT von Heppendorf, son of --- (-after 1 Sep 1381).

References:

• [1115] Niederrheins Urkundenbuch, Band III, 225, p. 189.
• [1116] Niederrheins Urkundenbuch, Band III, 225, p. 189.
• [1117] Niederrheins Urkundenbuch, Band III, 225, p. 189.
• [1118] Nijhoff, I. A. (1830) Gedenkwaardigheden uit de Geschiedenis van Gelderland (Arnhem), Eeerste Deel, ("Nijhoff (1830), I, 378, p. 426.
• [1119] Niederrheins Urkundenbuch, Band III, 846, p. 741.
• [1120] Niederrheins Urkundenbuch, Band III, 763, p. 656.
• [1121] Niederrheins Urkundenbuch, Band III, 846, p. 741.
• [1122] Niederrheins Urkundenbuch, Band III, 846, p. 741.
• [1123] Niederrheins Urkundenbuch, Band III, 396, p. 314.
• [1124] Niederrheins Urkundenbuch, Band III, 707, p. 605.

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From Darryl Lundy's Peerage page on Johann I von Nassau-Dillenburg (covering her marriage family):

Johann I von Nassau [1]

• M, #115000,
• d. 1416
• Last Edited=30 Aug 2008

Johann I von Nassau died in 1416, killed in action.[1]

He was the son of Otto II Graf von Nassau-Dillenburg.[1]

Children of Johann I von Nassau Engelbert I von Nassau+[1] d. 1442 Adolf von Nassau [1] d. 1420 Johann II von Nassau [1] d. 1443 Johann III von Nassau [1] d. 1429

Citations

• 1. [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 33. Hereinafter cited as Lines of Succession.