did he marry?
No, but he has a partner - Catryn Ramasut.
Gruff Rhys
He formed ieie Productions with his partner Catryn Ramasut in 2006 to produce film and television projects.

where did the phrase the gift that keeps on giving come from UNANSWERABLE what is "the gift that keeps giving"? It is a song by Super Furry Animals. by whom was its video directed? Team D.A.D.D.Y. by whom was the song composed? UNANSWERABLE how was this received by the people? It was generally positive. any particular critic with an opinion on the song? "Billboard" noted that "the group's penchant for sonic flourishes is used to subtle effect" on "The Gift That Keeps Giving" and went on to suggest that the track is representative of "Hey Venus!" as a whole. who designed the cover for this second one? Keiichi Tanaami. who were the members of the band who sang the original song? Gruff Rhys, Huw Bunford, Guto Pryce, Cian Ciaran and Dafydd Ieuan. where is the former from? Wales. was he a member of any other band before this? Yes, Ffa Coffi Pawb. what other people did he collaborated with? Mogwai, FC Kahuna, Boom Bip, to name a few. are any of his works related to politics? Yes, he composed and sang "I Love EU" to support the Remain campaign in the UK European Membership Referendum.
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Gruff Rhys [SEP] Personal life
He supports Bangor City F.C. of the League of Wales. He formed ieie Productions with his partner Catryn Ramasut in 2006 to produce film and television projects. In July 2015, Rhys received an Honorary Fellowship from Bangor University. Among those also receiving the honor that day was Rhys's cousin, DJ and music promoter Huw Stephens. Their mutual grandfather was president of the Students Union at the university. Rhys is also the cousin of musician MC Mabon (Gruff Meredith).