Paternal Family Tree: King Duncan II of Scotland
Before 1060 [his father] King Malcolm III of Scotland [aged 28] and [his mother] Ingibiorg Finnsdottir Queen Consort Scotland were married. She by marriage Queen Consort Scotland. He the son of [his grandfather] King Duncan I of Scotland and [his grandmother] Bethóc Unknown Queen Consort Scotland.
Around 1060 King Duncan II of Scotland was born to King Malcolm III of Scotland [aged 28] and Ingibiorg Finnsdottir Queen Consort Scotland.
Before 1070 [his father] King Malcolm III of Scotland [aged 38] and [his step-mother] Margaret Wessex Queen Consort Scotland [aged 24] were married. She by marriage Queen Consort Scotland. He the son of [his grandfather] King Duncan I of Scotland and [his grandmother] Bethóc Unknown Queen Consort Scotland.
Around 1087 Eustace II Count Boulogne [aged 72] died. His succeeded son [his brother-in-law] Eustace succeeded III Count Boulogne. [his half-sister] Mary Dunkeld Countess Boulogne [aged 5] by marriage Countess Boulogne.
Around 1087 [his brother-in-law] Eustace Flanders III Count Boulogne and [his half-sister] Mary Dunkeld Countess Boulogne [aged 5] were married. She the daughter of [his father] King Malcolm III of Scotland [aged 55] and [his step-mother] Margaret Wessex Queen Consort Scotland [aged 42]. He the son of Eustace II Count Boulogne [aged 72] and Ida of Lorraine Countess Boulogne [aged 47]. They were half sixth cousins.
On 13th November 1093 the Battle of Alnwick was fought at Alnwick, Northumberland [Map] between the forces of [his father] King Malcolm III of Scotland [aged 62] and Robert de Mowbray 1st Earl Northumbria.
King Malcolm III of Scotland was killed at The Peth Alnwick [Map]. His succeeded son Duncan [aged 33] succeeded II King Scotland. He died a year minus day later.
Malcolm's son [his half-brother] Edward Dunkeld was killed.
Edward Dunkeld: he was born to King Malcolm III of Scotland and Margaret Wessex Queen Consort Scotland. On 16th November 1093 Margaret Wessex Queen Consort Scotland died three days after her husband King Malcolm III of Scotland and her son Edward Dunkeld were killed at the Battle of Alnwick.
On 16th November 1093 [his step-mother] Margaret Wessex Queen Consort Scotland [aged 48] died three days after her husband [his father] King Malcolm III of Scotland [deceased] and her son [his half-brother] Edward Dunkeld were killed at the Battle of Alnwick.
Chronicon ex Chronicis by Florence and John of Worcester. After 16th November 1093. After her death the Scots elected for their king, Donald [aged 61], brother of king Malcolm, and expelled from Scotland all the English who belonged to the king's court. Duncan [aged 33], king Malcolm's son, hearing of these events, besought king William, in whose army he then served, to grant him his father's kingdom, and obtaining his request swore fealty to him. He then hastened to Scotland, with a host of English and Normans, and expelling his uncle Donald reigned in his stead. Thereupon some of the Scots banded together and slew nearly all his men, a few only escaping with him. But afterwards they restored him to the throne, on condition that he should no longer harbour either Englishmen or Normans in Scotland, and permit them to serve in his army.
In or before 1094 [his son] William FitzDuncan was born to King Duncan II of Scotland [aged 33] and Ethelreda of Northumbria. The year of his birth derived from the year his father died; possibly 1095 if posthumous.
On 12th November 1094 King Duncan II of Scotland [aged 34] ambushed and killed in battle. His succeeded uncle Donald [aged 62] succeeded III King Scotland.
Chronicon ex Chronicis by Florence and John of Worcester. 12th November 1094. Meanwhile, the Scots perfidiously murdered their king, Duncan [aged 34], and some others, at the instigation of Donald, who was again raised to the throne.
John of Fordun's Chronicle. [12th November 1094]. Meanwhile Duncan [aged 34], King Malcolm's illegitimate son, when he was with King William Rufus, in England, as a hostage, was by him dubbed knight; and, backed up by his help, he arrived in Scotland, put his uncle Donald to flight, and was set up as king. But when he had reigned a year and six months, he fell slain at Monthechin by the Earl of Mernys, by name Malpetri, in Scottish, Malpedir, through the wiles of his uncle Donald [aged 62], whom he had often vanquished in battle; and he was buried in the island of Iona.
Kings Scotland: Son of King Malcolm III of Scotland
GrandFather: King Duncan I of Scotland 
-2 x Great Grand Son of King Duncan I of Scotland
Father: King Malcolm III of Scotland Son of King Duncan I of Scotland
GrandMother: Bethóc Unknown Queen Consort Scotland
King Duncan II of Scotland Son of King Malcolm III of Scotland