THE Royal House of Scotland arose from the union in 843 of the Kingdom of the Scots, Dalriada, with Caledonia, the Kingdom of the Picts, which later comprised the northern and eastern parts of the country. The Kings of the Picts, ARD RIGH ALBANN, according to their chroniclers, derived from CRUITHNE, King of the Picts (from whose seven younger sons the original Seven Earls or provincial Kings of Caledonia were deduced) through seventy kings (of whom the 49th, BRUDE MacMAELCON, 565, and NECTAN MacDERILI, 596-617, were converted to Christianity), to the CONSTANTINE MacANGUS, (71st), who was succeeded by,

ANGUS II, (72nd) who reigned 821-833, and had issue,

1a EOGHAIN MacANGUS (73rd), of whom presently.

1a Fergusia, married Eocha, of the Royal House of Dalriada, (whose official genealogy declaimed by the Royal Sennachie at the Scottish Coronation, traces their succession from FERGUS MOR MacERC (circa 496), a scion of the Royal House of the High Kings of Ireland), and had issue,

1b ALPIN, who claimed the Pictish throne on Eoghain's death in 839, and was father of,

1c KENNETH MacALPIN, of whom presently as 74th ARD RIGH ALBANN.

2c DONALD I, who succeeded his brother.

His son and heir,

EOGHAIN MacANGUS (73rd), who died 839, when he was succeeded by his great-nephew,

KENNETH I, surnamed MacAlpin, (74th), in whose person the Crowns of Dalriada and Caledonia were united as first King of Scots from 844, and had issue,

1a CONSTANTINE, who succeeded his uncle.

2a AEDH, who succeeded his brother.

1a a daughter who married Run, King of Strathclyde, and had issue,

1b EOCHA, who succeeded his uncle.

(in both realms tribal Kingship was hereditary in the Royal race but selective as regards the individual, passing primarily to the Tanistair or nominee of the reigning Sovereign), and at his death in 859, he was succeeded by his brother,

DONALD I, who reigned from 859 to 863, when he was succeeded by his nephew,

CONSTANTINE I, (son of Kenneth I), reigned from 863 to 877, when he fell in a battle with the Danes, and was succeeded by his brother, he left issue,

1a DONALD II, who succeeded his first cousin.

His brother,

AEDH, who reigned but one year, 877-8, when it is said that he was "slain by his people," and was succeeded by his nephew, he left issue,

1a CONSTANTINE II, who succeeded his first cousin.

His nephew,

EOCHA, (son of Run, King of Strathclyde, by the daughter of Kenneth I), he reigned 878-889, (Ciric or Grig, son of Dungail, being associated with him) and was succeeded by his first cousin,

DONALD II, (son of Constantine I), reigned from 889-900, when he was slain in a Danish invasion, and was succeeded by his first cousin, he left issue,

1a MALCOLM I, who succeeded his uncle.

His first cousin,

CONSTANTINE II, (son of Aedh), who reigned 42 years, 900-942, and, being harassed by the ravages of the Northmen, ret. 942 to the Monastery of St. Andrews, and was succeeded by his first cousin once removed, he left issue,

1a INDULPH, who succeeded his second cousin.

His first cousin once removed,

MALCOLM I, (son of Donald II), reigned from 942-954 when he was succeeded by his second cousin, he left issue,

1a DUBH, who succeeded his second cousin once removed.

2a KENNETH II, who succeeded his third cousin.

His second cousin,

INDULPH, (son of Constantine II), reigned from 954-962, when he was succeeded by his second cousin once removed, he left issue,

1a CUILEAN, who succeeded his third cousin.

His second cousin once removed,

DUBH, (son of Malcolm I), reigned from 962-967, when he was succeeded by his third cousin, he left issue,

1a KENNETH III, who succeeded his fourth cousin.

His third cousin,

CUILEAN, (son of Indulph), reigned from 967-911, when he was succeeded by his third cousin, he left issue,

1a CONSTANTINE III, who succeeded his third cousin once removed.

His third cousin,

KENNETH II, (son of Malcolm I), reigned from 971-995, when he was succeeded by his third cousin once removed, he left issue,

1a MALCOLM II, who succeeded his first cousin.

His third cousin once removed,

CONSTANTINE III, (son of Cuilean), reigned from 995-997, when he was succeeded by his fourth cousin,

KENNETH III, son of DUBH, reigned from 997-1005, and was slain at Monzievaird circa 25 March, 1005, by his first cousin, he left issue,

1a Bode, and had issue,

1b Gruoch, who married 1stly Gillacomgan (decd.) and married 2ndly MACBETH, King of Scots (died 15 August 1057), and died without issue

His first cousin,

MALCOLM II (styled Malcolm MacKenneth), born circa 954, (son of Kenneth II), reigned from 1005-34, acceded to Alba 1005, secured Lothian circa 1016, obtained Strathclyde for his grandson Duncan circa 1016, he died 25 Nov. 1034, aet 80, having had issue,

1a Bethoc, married circa1000, Crinan, the Thane, Hereditary Abbot of Dunkeld, in the Celtic Church, mormaer of Atholl, who was slain 1045, leaving issue,

1b DUNCAN I, of whom presently.

2b Maldred, married Edith, daughter of Uchtred, Earl of Northumberland, and was father of Cospatrick, Earl of Northumberland.

1b a daughter, who was mother of Moddan.

2a Donada, married Finlaec, Mormaer of Moray, and had issue of a son,

1b MACBETH, King of Scots, of whom presently.

3a another daughter married Sigurd, Earl of Orkney, and had issue.

 His grandson and successor,