Emma of Hauteville was a daughter of Robert Guiscard

Robert Guiscard

Robert d'Hauteville, known as Guiscard, Duke of Apulia and Calabria, from Latin Viscardus and Old French Viscart, often rendered the Resourceful, the Cunning, the Wily, the Fox, or the Weasel was a Norman adventurer conspicuous in the conquest of southern Italy and Sicily...

 and Alberada of Buonalbergo

Alberada of Buonalbergo

Alberada of Buonalbergo was the first wife of Robert Guiscard, duke of Apulia , whom she married in 1051 or 1052, when he was still just a robber baron in Calabria....

. According to Ralph of Caen, she married Odo the Good Marquis

Odo the Good Marquis

Odo was a Norman nobleman of the First Crusade who ruled over an unknown region of France. He went on to marry Emma of Hauteville and sired two sons, one of whom went on to become Tancred, Prince of Galilee.-Early life:...

 and had two sons: Tancred

Tancred, Prince of Galilee

Tancred was a Norman leader of the First Crusade who later became Prince of Galilee and regent of the Principality of Antioch...

 and William, both of whom participated in the First Crusade

First Crusade

The First Crusade was a military expedition by Western Christianity to regain the Holy Lands taken in the Muslim conquest of the Levant, ultimately resulting in the recapture of Jerusalem...

. Tancred became Prince of Galilee and William died in the Holy Land

Holy Land

The Holy Land is a term which in Judaism refers to the Kingdom of Israel as defined in the Tanakh. For Jews, the Land's identifiction of being Holy is defined in Judaism by its differentiation from other lands by virtue of the practice of Judaism often possible only in the Land of Israel...

. Her daughter Altrude married Richard of the Principate and was the mother of Roger of Salerno

Roger of Salerno

Roger of Salerno was regent of the Principality of Antioch from 1112 to 1119.He was the son of Richard of the Principate and the 2nd cousin of Tancred, Prince of Galilee, both participants on the First Crusade. He became regent of Antioch when Tancred died in 1112; the actual prince, Bohemund II,...

.

Emma was dead by 1126, when Odo's second wife and widow, Sichelgaita, made a donation for her family's memory.