Robert Vaux of Barnbarroch was born circa 1409 in Scotland to John Vaux (c1382-aft1457) and Elizabeth Kennedy (c1395-) and died after 1459 Scotland of unspecified causes. He married Euphemia Graham (c1419-aft1495) .
"Robert Vaus, nephew of Alexander Vaus, Bishop of Galloway, acquired in 1451 the lands of Barnbarroch, he married Lady Euphemia Gragham, dauther of the Earl of Mentieth, and by her had (3.) George Bishop of Galloway; (4.) Mariota, married Quentin Agnew of Lochnaw, Sheriff of Galloway; (5.) daughter married to Uchtred McDowall of Garthland; (6.) daughter married William Adair of Kilhilt; his eldest son
2. Blaise Vaus, married Elizabeth, daughter of Sir John Shaw of Haillie...." --The Agnews of Lochnaw by Sir Andrew Agnew (8th bart.)
Children
| Name | Birth | Death | Joined with |
| Blaise Vaux (c1439-1482) | 1439 Scotland | 1482 Scotland | Elizabeth Shaw (c1440-) |
| George Vaux | |||
| Mariotta Vaux | |||
| unknown Vaux | |||
| unknown vaux | |||
Siblings
| Name | Birth | Death | Joined with |
| Robert Vaux (c1409-aft1459) | 1409 Scotland | 1459 Scotland | Euphemia Graham (c1419-aft1495) |