A Jamaican-born man charged with the murder of a young couple at their Roscommon home last summer was further remanded in custody until January 14th at Galway District Court yesterday Mr Mark Nash (24), with an address at Clonliffe Road, Dublin, is charged with the murder of Karl and Catherine Doyle at Carane, Ballintubber, on August 16th, and with the malicious wounding of Sarah Jane Doyle on the same occasion.