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Gerlach (Isenburg) von Isenburg (abt. 1210 - bef. 1289)

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Gerlach (Gerlach I) "Herr (dominus) von Limburg" von Isenburg formerly Isenburg
Born about [location unknown]
Ancestors ancestors
Son of and [mother unknown]
Brother of [half]
Husband of — married [location unknown]
Descendants descendants
Died before [location unknown]
Profile last modified | Created 25 Apr 2016
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European Aristocracy
Gerlach I Isenburg was a member of the aristocracy in Europe.


Gerlach von Isenburg, was the second son of Heinrich I von Isenburg, and his wife Irmengard. Gerlach was perhaps born about 1210, as he signed a charter in 1232 (see below) and his mother had died before 30 January 1218.[1]

His father died before 1227, and Gerlach and his elder brother Heinrich, may initially have ruled Isenburg together, both being mentioned in a charter dated 3 November 1232 and Gerlach witnessed a charter on 18 December 1265 as dominus de Ysenburg. However in a charter dated 26 September 1266 he is Gerlacus dominus de Lympurg, which may indicate that he and Heinrich divided the territory. Again in 1275 he is in a charter concerning his wife's inheritance as G. dominus de Limpurg.

He married, perhaps about 1250, Imagina von Blieskastel (or Bliescastel), the daughter of Heinrich, Graf von Blieskastel and his wife, Agnes von Sayn.

They had at least two children:

  1. Johannes, succeeded his father as Herr von Limburg;
  2. Imagina, married Adolf von Nassau, King of Germany.

Gerlach died before 11 August 1289, when his son is referred to as domino de Lymperg, and his wife died on 5 November, of a year unknown. She must have died before April 1298,[1] when their son Johannes (Jan), lord of Limburg, and Ode his wife donate with consent of all their children for the memory of Gerlach and Ymagina, the parents of Jan, and Elisabeth, his first wife.[2]


  1. 1.0 1.1 Cawley, Charles. "Franconia, Nobility: Chapter 18 - Grafen und Herren von Isenburg." Medieval Lands: A Prosopography of Medieval European Noble and Royal Families. February 1, 2016. Accessed April 25, 2016.
  2. A. Verkooren, Inventaire des chartes et cartulaires des duchés de Brabant et de Limbourg et des pays d'Outre-Meuse, Première partie: chartes originales et vidimées, Tome I, nr. 168.

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On 28 Mar 2016 at 12:59 GMT Raf Ceustermans wrote:

Count of Isenburg-Limburg-1 and Von Isenburg-8 appear to represent the same person because: Same name, spouse and lifespan

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