 In 1071 , the year before his grandfather 's death , Domnall and an Uí Chennselaig kinsman , Donnchad mac Domnaill Remair , battled for control of Leinster . Although Domnall is accorded the title King of Leinster in one mediaeval king @-@ list , Donnchad was evidently a more powerful claimant , and Domnall appears to have held the Leinster kingship in name only . 
 In 1071 , the year before his grandfather <a href='null_genetive' title='1'><mark>'s</mark></a>death , Domnall and an Uí Chennselaig kinsman , Donnchad mac Domnaill Remair , battled for control of Leinster . Although Domnall is accorded the title King of Leinster in one mediaeval king @-@ list , Donnchad was evidently a more powerful claimant , and Domnall <a href='uninflect' title='2'><mark>appears</mark></a> to <a href='been_done' title='3'><mark>have</mark></a> held the Leinster kingship in name only . 
In 1071 , the year before his granddaddy  death , Domnall and an Uí Chennselaig kinsman , Donnchad mac Domnaill Remair , battled fa control of Leinster . Although Domnall is accorded the title King of Leinster in one mediaeval king @-@ list , Donnchad was evidently a more powerful claimant , and Domnall appear to done held the Leinster kingship in name only .