He is married to Bethóc van Schotland.
They got married
Child(ren):
CRINAN "the Thane", son of --- (-killed in battle 1045). The primary source which confirms his parentage has not yet been identified. Abthane of Dule. Lay abbot of Dunkeld. Steward of the Western Isles. Mormaer of Atholl. He was killed fighting King Macbeth. The Annals of Ulster record that "Crónán abbot of Dún Caillen" was killed in 1045 in "a battle between the Scots themselves"[259]. The Annals of Tigernach record that “Crínan abbot of Dunkeld” was killed in 1045 in “a battle between the men of Scotland on one road”[260].
m ([1000]) BETHOC, daughter of MALCOLM II King of Scotland & his wife ---. The "Genealogy of King William the Lyon" dated 1175 names "Betoch filii Malcolmi" as parent of "Malcolmi filii Dunecani"[261]. The Chronicle of the Scots and Picts dated 1177 names "Cran Abbatis de Dunkelden et Bethok filia Malcolm mac Kynnet" as parents of King Duncan[262]. The Chronicle of John of Fordun records that King Malcolm II had "an only daughter…Beatrice who married Crynyne Abthane of Dul and Steward of the Isles…in some annals, by a blunder of the writer…abbot of Dul"[263].
Crinan & his wife had two children:
DUNCAN [Donnchad] ([1001]-killed in battle either Bothganowan/Pitgaveny, near Elgin, or Burghead 14 Aug 1040, bur Isle of Iona).
MALDRED (-killed in battle [1045])
Bronnen
[259] Annals of Ulster, 1045.6, p. 484.
[260] Annals of Tigernach II, p. 277.
[261] Skene (1867), XXI, Genealogy of King William the Lyon, p. 144.
[262] Skene (1867), XXIII, Chronicle of the Scots and Picts 1177, p. 152.
[263] John of Fordun (Skene), Book IV, XXXVIII, p. 173.
https://fmg.ac/Projects/MedLands/SCOTLAND.htm#Crinandied1045