Maelmaire

It is assumed that Maelsechnaill separated from Gormlaith as he is recorded with another wife before Gormlaith died.
m [fourthly] MAELMAIRE, daughter of OLAF Sihtricson King of Dublin & his wife --- (-1021). The Annals of the Four Masters record the death in 1021 of “Maelmaire daughter of Amhlaeibh, wife of Maelseachlainn son of Domhnall”[99]. https://fmg.ac/Projects/MedLands/IRELAND.htm#Maelsechnailldied1018B