Murdered boxer Eamonn Magee Junior was his father's "right-hand man", mourners at his funeral heard.
Eamonn Jr was stabbed in west Belfast in the early hours of last Saturday morning.
The 22-year-old sportsman - the son of former WBU welterweight world champion Eamonn Magee - was rushed to hospital but later died of his injuries.
Renowned local boxing trainers John Breen and Bernardo Checa were among those who attended Requiem Mass at St Joseph's Church, Hannahstown, yesterday.
Parish Priest Fr Kevin McGuckien paid tribute to Eamonn whom he described as "a confident young man".
"Today we thank God for Eamonn's life - a life that has touched the lives of so many in such a positive way," he said.
"Of course, it was a life that we would have wanted to continue for many more years - for Eamonn had so much more to achieve and to give from that deep reservoir of talent and goodness that he constantly tapped into during his 22 years."
Addressing his parents, the priest said: "Eamonn and Mary, you have spoken of your son in such affectionate terms: your blue-eyed boy; your right-hand man; your ever protective and loving son. Following in the footsteps of his father he became a boxer and contributed so much to Irish boxing.
"Tomorrow would have marked the first anniversary of Eamonn becoming a professional boxer - indeed he had a very promising professional career ahead of him."
Eamonn is survived by his parents, his sister Aine, brothers Francis and Ethan and his girlfriend Gemma.
On Tuesday Turkish barman, Orhan Koca (32), of no fixed abode, appeared in court accused of Eamonn's murder. He denies the charges.