Sir Thomas Bruce, 1st (feudal) Baron of Clackmannan(died before 1348)Gordon A. C. MacGregor, ''Bruce of Cultmalundy'', in ''The Red Book of Perthshire'' (Perthshire Heritage Trust, 2006) was the first Baron of

Clackmannan Clackmannan ( ; gd, Clach Mhanainn, perhaps meaning "Stone of Manau"), is a small town and civil parish set in the Central Lowlands of Scotland. Situated within the Forth Valley, Clackmannan is south-east of Alloa and south of Tillicoultry. Th ...

. King

David II of Scotland David II (5 March 1324 – 22 February 1371) was King of Scots from 1329 until his death in 1371. Upon the death of his father, Robert the Bruce, David succeeded to the throne at the age of five, and was crowned at Scone in November 1331, becom ...

, near the end of his life, appears to have regarded Thomas as the next most senior member of the Bruce family, meaning that he was believed to be a male line descendant of

Robert de Brus, 1st Lord of Annandale Robert I de Brus, 1st Lord of Annandale (–1141) was an early-12th-century Anglo-Norman lord and the first of the Bruce dynasty to hold lands in Scotland. A monastic patron, he is remembered as the founder of Gisborough Priory in Yorkshire, En ...

, but his exact relationship to the royal Bruces is unclear. It has been suggested that he was the son of an illegitimate son of

Robert the Bruce Robert I (11 July 1274 – 7 June 1329), popularly known as Robert the Bruce (Scottish Gaelic: ''Raibeart an Bruis''), was King of Scots from 1306 to his death in 1329. One of the most renowned warriors of his generation, Robert eventual ...

Edward Bruce Edward Bruce, Earl of Carrick ( Norman French: ; mga, Edubard a Briuis; Modern Scottish Gaelic: gd, Eideard or ; – 14 October 1318), was a younger brother of Robert the Bruce, King of Scots. He supported his brother in the 1306–1314 st ...

, but there is no clear evidence for this; he may have belonged to a more distant branch of the family. Thomas was granted land in

by King

Robert II of Scotland Robert II (2 March 1316 – 19 April 1390) was King of Scots from 1371 to his death in 1390. The son of Walter Stewart, 6th High Steward of Scotland, and Marjorie, daughter of King Robert the Bruce, he was the first monarch of the House of St ...

after organizing a revolt against the

English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ide ...

in 1334. He married Marjorie Charteris and it is from this line which most Bruces descend, including the current Chief of

Clan Bruce Clan Bruce ( gd, Brùs) is a Lowlands Scottish clan. It was a Royal House in the 14th century, producing two kings of Scotland (Robert the Bruce and David II of Scotland), and a disputed High King of Ireland, Edward Bruce. Origins The surname ...

Andrew Bruce, 11th Earl of Elgin Andrew Douglas Alexander Thomas Bruce, 11th Earl of Elgin and 15th Earl of Kincardine (born 17 February 1924), styled Lord Bruce before 1968, is a Scottish peer and Chief of Clan Bruce. Background and education The eldest son of Edward Bruce ...

. Thomas and Marjorie's children included

Robert Bruce, 2nd Baron of Clackmannan Sir Robert Bruce, 2nd Baron of Clackmannan & Rate (originally Robert de Bruys;died 23 July 1403Gordon A. C. MacGregor, ''Bruce of Cultmalundy'', in ''The Red Book of Perthshire'' (Perthshire Heritage Trust, 2006)) was the son of Sir Thomas Bruce ...

Sources

{{DEFAULTSORT:Bruce, Thomas, 1st Baron of Clackmannan Clan Bruce Bruce family of Clackmannan 14th-century Scottish people Scottish feudal barons