Bernard I de Brus of Connington and Exton

He was the second son of Robert de Brus, 4th Lord of Annandale and his wife, Isabella of Huntingdon.

[2] Bernard was the younger brother of Robert de Brus, 5th Lord of Annandale, however, is sometimes incorrectly reported to be his son.

Along with Gilbert de Clare, Earl of Gloucester, Bernard negotiated the terms of the ransom of his brother, Robert de Brus, 5th Lord of Annandale, who had been captured, along with Henry III of England and Lord Edward at the Battle of Lewes.

Following the defeat of Monfort’s forces at the Battle of Evesham, in August 1265, Bernard was seized of his lands, however, they were later returned to him.

Bernard de Brus I is recorded as having died on 22 November, the Thursday after St Edmund's day, in 1268.