Daibhidh (David) I "the Saint" MAC MÁEL COLUIM, rí Alban & Saxan
- Born: Abt 1080, Huntingdon, England
- Married: Apr 1113, Scotland
- Died: 24 May 1153, Carlisle, Cumbria, Scotland
- Buried: Dunfermline Abbey, Fife, Scotland
He is named, and his parentage given, by Roger of Hoveden, who lists him as the sixth son of his parents. The Chronicle of John of Fordun names "Edward, Edmund, Ethelred, Edgar, Alexander and…David" as the sons of King Malcolm and his wife. He was designated Prince of Cumbria in . "David comes" made donations to the monks of Durham by undated charter which names "frater meus Eadgarus rex", witnessed by "Mathildis Reginæ et Willelmi filii sui", presumably referring to his sister Matilda Queen of England which dates the document to before Jun 1118. Earl of Northampton and Huntingdon, de iure uxoris. "David comes filius Malcolmi Regis Scottorum" founded the abbey of Selkirk by charter dated to , witnessed by "Matilde comitisse, Henrico filio comitis…". "David comes filii Malcolmi regis Scotorum" founded the monastery of Kelso by charter dated to [1119/24] witnessed by "Matilda comitissa, Henrico filio comitis…Willo nepote comitis…". Inquisitions by "David…Cumbrensis regionis princeps", dated 1124, concern land owned by the church of Glasgow.
He succeeded his brother in 1124 as DAVID I King of Scotland. Having at first supported Empress Matilda's right to succeed her father Henry I King of England, he made peace with King Stephen, agreeing in 1136 to resign his English earldoms to his son Henry. The peace was short-lived, King David being defeated by King Stephen at the battle of the Standard 22 Aug 1138. "Rex Scottorum" (no name) donated "terram de Eldune…Dernewic" to Melrose abbey, for the souls of "fratris mei Ædgari et alios fratrem et sororis mearum et uxoris mee Matild et…Henrici filii mei", by charter dated "die Venis crastino Ascensionis dni…quo Stephanus rex Anglie captus est" (29 Apr 1141).
Robert of Torigny records the death in 1153 of "David rex Scotiæ". The Chronicle of the Picts and Scots dated 1251 records that "David" reigned for 29 years and 3 months, died "in Carlelle", and was buried "in Dumfermline". The Chronicle of Melrose records the death "IX Kal Jun" in 1153 of King David. John of Fordun’s Scotichronicon (Continuator) records the death "IX Kal Jun" in 1153 of "rex…sanctus David junior filius Malcolmi et S. Margaretæ Scotorum reginæ" and his burial at Dunfermline. 1
Daibhidh married Matilda (Maud) DE HUNTINGDON, daughter of Waltheof II SIWARDSSON of Huntington, Earl of Northumbria, and Lady Judith DE LENS of Boulogne, in Apr 1113 in Scotland. (Matilda DE HUNTINGDON was born about 1072 in Huntington, Huntingdonshire, England, christened in Huntington, Huntingdonshire, England, died on 23 Apr 1130 in Scotland and was buried in Scone, Perthshire, Scotland.)