Large crowds gathered to pay their respects at the funeral for businessman Ben Dunne in west Dublin.
Among the mourners were family and friends along with well known figures across business and politics, including businessman Larry Goodman, Sinn Féin leader Mary Lou McDonald and Independent TD Michael Lowry.
The Taoiseach was represented by his aide-de-camp.
Staff from Ben Dunne Gyms formed a guard of honour at the entrance to St Mochta's Church in Clonsilla ahead of the arrival of the funeral cortège.
The cortège was led by Mr Dunne's wife Mary and four children Caroline, Robert, Mark and Nicholas.
Mark Dunne welcomed the congregation and paid tribute to his father as he spoke of his life from childhood in Cork up to his parents celebrating their 50th wedding anniversary earlier this year.
He said he was a brilliant and loving father and grandfather and he called them every day "to check in".
Mark Dunne said it is a difficult day for the extended family also, as he described the closeness between his dad and his sisters Margaret and Ann.
Mr Dunne told mourners his father "never liked going to funerals", but wanted a "full report" from ones his son had attended.
"This is one funeral that, sadly, he must attend," he told the congregation, adding he would be pleased to see so many people in attendance.
He said that the kidnapping of his father in 1981 was a source of troubles, but he said he "did the Christian thing and forgave his captors".
Mr Dunne described his father's passion for business and how humble he was with his generosity.
"He had his vices, as we all do," he added.
He reflected on their holidays together and said he was happiest on a yacht enjoying the sunset.
Mr Dunne ended his tribute with a prayer his father had told him days before his death, which he said every night.
The 74-year-old, who was described as a beloved grandfather of Ben, Katie, Pearl and Joseph, died suddenly ten days ago while on a golf trip to Dubai with family and friends.
Principal celebrant Canon Damien O' Reilly, expressed his sympathy to the 74-year-old's family as he spoke about the emotions of grief and sadness that they are feeling at this time.
Ben Dunne's son Nicholas and grandchildren Ben and Katie read Prayers of the Faithful while towards the end of the service, Caroline and Robert Dunne read the poems, 'Do not go gentle into that good night' by Dylan Thomas, and 'Still' by Char Marks, reflecting on the shock of death and the preciousness of life.
The song, The Lonesome Boatman, was played as his remains were brought from the church, ahead of his burial in Castleknock.
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