*Otto I of Luxemburg Pfalzgraf von Rheineck
born about 1080 Luxemburg
died after 1154

father:
*Herman de Luxembourg de Salm
born about 1030
died 28 September 1088 Metz

mother:
*Sophie Irmentrude wife of Herman de Luxembourg de Salm
(end of information).

siblings:
Beatrix Countess von Rheineck born about 1079

spouse:
*Gertrude Countess of Nordheim
born about 1098 Chateau de Salm, Luxemburg
died 1117 or 1165
married 1115

children:
Otto II Count von Rheineck born about 1116 Rheineck, Rheinland died 1149
*Sofie Countess of Rheineck born about 1117 Rheineck, Rhineland, Germany
died 26 September 1176 Jerusalem, Holy Land

biographical and/or anecdotal:

notes or source:
LDS
ancestry.com
Some sources name his father as Arnulf V de Loos and mother as Agnes von Rgeinecke.