Nassau. By Adolf of Nassau, Gerlach was appointed Burgmann of the Imperial Castle of Kalsmunt in Wetzlar in 1287. On June 5, 1288 Gerlach, together with Adolf of Nassau and Henry of Westerburg, participated in the Battle of Worringen. They supported Henry of Westerburg's brother, Siegfried, the Archbishop of Cologne. Siegfried’s defeat in the battle had no significant consequences for Gerlach. Gerlach I of Limburg died in 1289 during his participation in a campaign of King Rudolph in the Black Forest. He was succeeded by his son, John I. Marriage and descendants Gerlach married Imagina of Blieskastel (died 1281). The couple had at least five children: John I, Count of Limburg. Gerlach II of Greifenstein, married between 1267 and 1273 into the House of Hachenburg. Henry (died 1279/80), married with Adelheid of Diez. Agnes (died 1319), married in July 1267 to Henry I of Westerburg. Imagina (died September 29, 1318 in Klarenthal Abbey); married Count Adolf of Nassau; Queen of Germany, 1292–1298 Sources . External links History of Limburg Castle House of Isenburg 1289 deaths Year of birth unknown