Simon was the first known

constable of Jerusalem There were six major officers of the Kingdom of Jerusalem: the constable, the marshal, the seneschal, the chamberlain (which were known as the "Grand Offices"), the butler and the chancellor. At certain times there were also bailiffs, viscounts ...

. He may have been from the

House of Limburg The House of Limburg (in German: ''Haus Limbourg'') was a dynasty which can be traced back in the male line as far as Henry, Duke of Lower Lorraine, Henry, List of rulers of Limburg, count of Limburg, whose mother Jutta was heiress of Frederick, Du ...

. He is cited as a witness two royal charters, the first in 1108 and the second in 1115 as ''Symon ducis filius''. He may be identified with the Simontos, referred to by

Anna Comnena Anna Komnene (; 1 December 1083 – 1153), commonly Latinized as Anna Comnena, was a Byzantine Greek historian. She is the author of the '' Alexiad'', an account of the reign of her father, Byzantine emperor Alexios I Komnenos. Her work constit ...

as an envoy of

Baldwin I of Jerusalem Baldwin I (1060s – 2 April 1118) was the first count of Edessa from 1098 to 1100 and king of Jerusalem from 1100 to his death in 1118. He was the youngest son of Eustace II, Count of Boulogne, and Ida of Lorraine and married a Norman noblew ...

to the

County of Tripoli The County of Tripoli (1102–1289) was one of the Crusader states. It was founded in the Levant in the modern-day region of Tripoli, Lebanon, Tripoli, northern Lebanon and parts of western Syria. When the Crusades, Frankish Crusaders, mostly O ...

to receive Greek ambassadors in 1108, and as a cousin of the king. Together these could imply that he was a son of

Henry, Duke of Lower Lorraine Henry I ( – 1119) was the count of Limburg and Arlon from 1082 to his death and duke of Lower Lorraine between 1101 and 1106. His mother was Jutta, daughter of Frederick, Duke of Lower Lorraine, and his father is uncertain, but possibly na ...

and Count of Limburg, and Adelaide, daughter of Botho of Pottenstein, a great-grandson of

Eustace I of Boulogne Eustace I, Count of Boulogne, was a nobleman and founder of the Boulogne branch of the House of Flanders. He held the county of Boulogne from 1024 until his death in 1047. Life Eustace was the elder son of Count Baldwin II of Boulogne and Adelin ...

by his maternal grandmother.

References

Constables of Jerusalem {{europe-noble-stub