What is Duncan I?
{{Infobox Royalty | name = Duncan I | image = DuncanIAlbaScotland.jpg | caption = Posthumous painting by [[Jacob de Wet II]], {{circa|1685}} | succession = [[List of Scottish monarchs|King of Scots]] | reign = 25 November 1035 — 14 August 1040 | coronation = 3 December 1035 | predecessor = [[Malcolm II of Scotland|Malcolm II]] | successor = [[Macbeth, King of Scotland|Macbeth]] | spouse = | issue = {{plainlist| * [[Malcolm III of Scotland|Malcolm III, King of Scots]] * [[Donald III of Scotland|Donald III, King of Scots]] * [[Máel Muire, Earl of Atholl]] }} | issue-type = [[Issue (genealogy)|Issue]] | house = [[House of Dunkeld|Dunkeld]] | father = [[Crínán of Dunkeld]] | mother = [[Bethóc Ingen mac Maíl Coluim]] | birth_date = {{Birth date|1001|6|14|df=yes}} | birth_place = [[Atholl]], [[Perth and Kinross]], Scotland | death_date = {{Death date and age|1040|8|14|1001|6|14|df=yes}} | death_place = [[Pitgaveny]], [[Moray]], Scotland | burial_date = 22 August 1040 | burial_place = [[Iona Abbey]], [[Iona]], Scotland }} '''Donnchada mac Crinain''' ([[Scottish Gaelic|Modern Gaelic]]: ''Donnchadh mac Crionain''; 14 June 1001 — 14 August 1040) often known as '''Duncan I''' and nicknamed '''the Fighter''' (Scottish Gaelic: ''an Trodaiche'') was the [[List of Scottish monarchs|King of Scotland]] from 1035 until he was killed at the [[Battle of Pitgaveny]] in 1040. He was the son of [[Crínán of Dunkeld]] and [[Bethóc Ingen mac Maíl Coluim]], the daughter of [[Malcolm II of Scotland|King Malcolm II]]. He succeded his grandfather in 1035 and ruled the kingdom effectively until in 1040 where he was killed by the forces of [[Macbeth, King of Scotland|Macbeth]], who became king. Duncan left behind three children. His oldest child, [[Malcolm III of Scotland|Malcolm]], would kill Macbeth seventeen years later and became [[List of Scottish monarchs|king]] as Malcolm III. His second son, [[Donald