Henry I of Isenburg-Grenzau - Bef 1227 (b. 1150) Parents (NN von Leiningen ?) Gerlach of Isenburg Children Elise von Isenburg Gerlach I of Isenburg-Limburg Mechtild von Isenburg Henry II of Isenburg Siblings Gerlach I of Isenburg-Kobern Partners Irmgard of Büdingen