He had been was diagnosed with a rare kidney disease in 1996, and had a transplant in 2004 that would ultimately fail in 2011.
Nadene Lomu, on Facebook, said: "It is with great sadness that I must announce my dear husband Jonah Lomu died last night
"As you can imagine this is a devastating loss for our family and may I ask that our privacy, especially the privacy of our two very young boys, be respected as we take them through this traumatic time. "
Lomu and his wife have two young sons, Brayley (6) and five-year-old Dhyreille.
If you have a complaint about the editorial content of the Belfast Telegraph or Sunday Life then contact the Editor here. If you are not satisfied with the response provided then you can contact the Independent Press Standards Organisation here
COMMENT RULES: Comments that are judged to be defamatory, abusive or in bad taste are not acceptable and contributors who consistently fall below certain criteria will be permanently blacklisted. The moderator will not enter into debate with individual contributors and the moderator’s decision is final. It is Belfast Telegraph policy to close comments on court cases, tribunals and active legal investigations. We may also close comments on articles which are being targeted for abuse. Problems with commenting? firstname.lastname@example.org