Gamelin was a 13th century Bishop of St Andrews. He had previously been the chancellor

Lord Chancellor of Scotland

The Lord Chancellor of Scotland was a Great Officer of State in pre-Union Scotland.Holders of the office are known from 1123 onwards, but its duties were occasionally performed by an official of lower status with the title of Keeper of the Great Seal...

 to King Alexander III of Scotland

Alexander III of Scotland

Alexander III was King of Scots from 1249 to his death.-Life:...

, as well as Papal

Pope

The Pope is the Bishop of Rome, a position that makes him the leader of the worldwide Catholic Church . In the Catholic Church, the Pope is regarded as the successor of Saint Peter, the Apostle...

 chaplain

Chaplain

Traditionally, a chaplain is a minister in a specialized setting such as a priest, pastor, rabbi, or imam or lay representative of a religion attached to a secular institution such as a hospital, prison, military unit, police department, university, or private chapel...

. He was postulated to the see

Episcopal See

An episcopal see is, in the original sense, the official seat of a bishop. This seat, which is also referred to as the bishop's cathedra, is placed in the bishop's principal church, which is therefore called the bishop's cathedral...

 in Lent

Lent

In the Christian tradition, Lent is the period of the liturgical year from Ash Wednesday to Easter. The traditional purpose of Lent is the preparation of the believer – through prayer, repentance, almsgiving and self-denial – for the annual commemoration during Holy Week of the Death and...

, 1255, and confirmed by Pope Alexander IV

Pope Alexander IV

Pope Alexander IV was Pope from 1254 until his death.Born as Rinaldo di Jenne, in Jenne , he was, on his mother's side, a member of the de' Conti di Segni family, the counts of Segni, like Pope Innocent III and Pope Gregory IX...

 on 1 July 1255, who also agreed to overlook Gamelin's apparent "defect of birth". Despite his previously strong connections with the king, Gamelin was a Comyn supporter, and was banished from the kingdom sometime in 1256 a year after the Comyn's rival Alan Durward

Alan Durward

Alan Hostarius was the son of Thomas de Lundin, a grandson of Gille Críst, Mormaer of Mar. His mother's name is unknown, but she was almost certainly a daughter of Máel Coluim, Mormaer of Atholl, meaning that Alan was the product of two Gaelic comital families.Alan was one of the most important...

had seized power. After the Durwards were overthrown, he was able to return, and was back in Scotland certainly by 1270. He died the following year at "Inchmurdauch" (Innse Muiredaich).