Sir William Borthwick, 1st Lord Borthwick (born after 1411 – died ca. 1458) was a Scottish

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

 peer

Peerage

The Peerage is a legal system of largely hereditary titles in the United Kingdom, which constitute the ranks of British nobility and is part of the British honours system...

 and ambassador.

Borthwick was the eldest son of Sir William Borthwick 'the younger', 2nd feudal baron of Borthwick, castellan of Edinburgh (Sir William Borthwick of that Ilk), and his wife Bethoc Sinclair of Orkney , daughter of Henry de St.Clair, the first Sinclair jarl of Orkney.

His father Sir William de Borthwick junior, knight, had accompanied Henry, Bishop of Aberdeen

Bishop of Aberdeen

The Bishop of Aberdeen was the ecclesiastical head of the Diocese of Aberdeen, one of Scotland's 13 medieval bishoprics, whose first recorded bishop is an early 12th century cleric named Nechtan...

, William, Bishop of Dunblane

Bishop of Dunblane

The Bishop of Dunblane or Bishop of Strathearn was the ecclesiastical head of the Diocese of Dunblane/Strathearn, one of medieval Scotland's thirteen bishoprics. It was based at Dunblane Cathedral, now a parish church of the Church of Scotland. The bishopric itself certainly derives from an older...

, John, Abbot of Melrose

Abbot of Melrose

The Abbot and then Commendator of Melrose was the head of the monastic community of Melrose Abbey, in Melrose in the Borders region of Scotland. The abbey was founded in 1136 on the patronage of David I , King of Scots, by Cistercian monks from Rievaulx Abbey, Yorkshire...

, James, Prior of St. Andrews, John, Abbot of 'Balmurynach', Sir William de Hay, knight, Master Thomas de Myrton, Master Edward de Lawedre, and Master John Stenes, all as Scots' ambassadors, with 50 attendants, setting out for the Court of Rome. The Safe-conduct is dated June 9, 1425 and is given until the following Easter

Easter

Easter is the central feast in the Christian liturgical year. According to the Canonical gospels, Jesus rose from the dead on the third day after his crucifixion. His resurrection is celebrated on Easter Day or Easter Sunday...

.

It is mentioned that the young William was sent in 1424 as hostage among those who replaced king James I in England.

In either 1424 , 1438 or June 12, 1452 he was raised to the Peerage of Scotland

Peerage of Scotland

The Peerage of Scotland is the division of the British Peerage for those peers created in the Kingdom of Scotland before 1707. With that year's Act of Union, the Kingdom of Scotland and the Kingdom of England were combined into the Kingdom of Great Britain, and a new Peerage of Great Britain was...

 as a Lord of Parliament

Lord of Parliament

A Lord of Parliament was the lowest rank of nobility automatically entitled to attend sessions of the pre-Union Parliament of Scotland. Post-Union, it is a member of the lowest rank of the Peerage of Scotland, ranking below a viscount...

 with the title Lord Borthwick.

He sat in parliament between 1455 and 1457.

The First Lord Borthwick was succeeded by his son and heir William

William Borthwick, 2nd Lord Borthwick

William Borthwick, 2nd Lord Borthwick was a Scottish ambassador to England.The son of William Borthwick, 1st Lord Borthwick, he served as ambassador to England on 13 July 1459, where he is included in a Safe-conduct of that date as "William lord Borthwik" with numerous other nobles, clerics, and a...

.

His second son, John de Borthwick, acquired the lands of Crookston, Midlothian, in 1446.