Gerard I called Guinard, was the count of Roussillon from 1102 to his death in 1113. He was the son and heir of Giselbert II.

He 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...

, in the retinue of Raymond IV of Toulouse

Raymond IV of Toulouse

Raymond IV of Toulouse , sometimes called Raymond of St Gilles, was Count of Toulouse, Duke of Narbonne, and Margrave of Provence and one of the leaders of the First Crusade. He was a son of Pons of Toulouse and Almodis de La Marche...

. He was at the Siege of Antioch

Siege of Antioch

The Siege of Antioch took place during the First Crusade in 1097 and 1098. The first siege, by the crusaders against the Muslim city, lasted from October 21, 1097, to June 2, 1098. The second siege, against the crusaders who had occupied it, lasted from June 7 to June 28, 1098.-Background:Antioch...

 and was one of the first in Jerusalem after the successful siege

Siege of Jerusalem (1099)

The Siege of Jerusalem took place from June 7 to July 15, 1099 during the First Crusade. The Crusaders stormed and captured the city from Fatimid Egypt.-Background:...

 of 15 July 1099.

He returned to Roussillon for the period between 1100 and 1105. He returned to 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...

 at the request of Raymond, then besieging Tripoli

Siege of Tripoli

The Siege of Tripoli lasted from 1102 until July 12, 1109 and took place on the site of the present day Lebanese city of Tripoli. It took place in the aftermath of the First Crusade and led to the establishment of the fourth crusader state, the County of Tripoli.-Background:After the capture of...

. During his absence, his wife, the Countess Agnes, governed Roussillon. In 1112, Raymond's successor, Bertrand

Bertrand of Toulouse

Bertrand of Toulouse was count of Toulouse, and was the first count of Tripoli to rule in Tripoli itself....

, died and Gerard returned once more to his county. Not long after his return, he was assassinated in unknown circumstances. His son Gausfred III was too young to rule and his brother Arnold Gausfred acted as regent

Regent

A regent, from the Latin regens "one who reigns", is a person selected to act as head of state because the ruler is a minor, not present, or debilitated. Currently there are only two ruling Regencies in the world, sovereign Liechtenstein and the Malaysian constitutive state of Terengganu...

. His daughter Beatrice married William of Narbonne.