The Honourable Andrew Lockhart McLachlan was granted arms in 2020:
William Stewart Michielin McLachlan, second son of the above, matriculated 2025, with a bordure Or for difference.
Alasdair Lockhart Michielin McLachlan, third son, matriculated 2025, with a bordure Argent for difference.
The arms were painted by Clare McCrory, Herald Painter.
Blazon: Azure three salmon Or fretted on a chief wavy Argent three crosses pattée fitchée Gules.
Crest: a demi marsupial lion (Thylacoleo carnifex) rampant Gules (charged, in the son's cases, on the shoulder with a Maltese cross Sable fimbriated Argent) holding between its paws a flagstaff bendwise sinister Sable from which flies a square flag Sable charged with a rising sun Or.
