Joshua Henry Mackenzie, Lord Mackenzie

He was born in 1774 the eldest son of the Edinburgh author Henry Mackenzie and his wife, Penuel Grant.

In 1822 he was elected a Senator of the College of Justice taking the seat previously held by the late Lord Kinneder.

Her sister, Mary Elizabeth Frederica Mackenzie, was the wife of Vice Admiral Sir Samuel Hood and James Alexander Stewart of Glasserton.

Together, Joshua and Helen were the parents of several children, including:[2] In 1825 he was living at 6 Royal Circus in Edinburgh's Second New Town.

[3] In later life he moved to Belmont House, a substantial mansion west of the city, near Corstorphine.