The Royal Dragoon Guards. The Royal Ulster Rifles. The Irish Guards. The North Irish Horse.
Several others have also used it
"Who shall separate us?" (rhetorical; the implication is "no one")
National Rifle Association of the United Kingdom's motto is 'Sit Perpetuum'.
The motto of Royal Ulster Rifles is 'Quis separabit'.
Royal College Curepipe's motto is 'Terrae Quis Fructus Apertae'.
Karachi American School's motto is 'Quis nos futures est, noses decens'.
"Who shall separate us?" (rhetorical; the implication is "no one")
National Rifle Association of the United Kingdom's motto is 'Sit Perpetuum'.
The motto of Pakistan Rangers is 'Daim's Sahir'n'.
Cé a scarfaidh óna chéile sinn?
The Royal motto of Northern Ireland is "Quis separabit" (Who will separate us) - a motto that can be taken a number of ways.
The motto of Royal Ulster Rifles is 'Quis separabit'.
The motto of Munro College is 'In Arce Sitam Quis Occultabit'.
Saint Michael's College's motto is 'Quis ut Deus?'.
Royal College Curepipe's motto is 'Terrae Quis Fructus Apertae'.
St. Michael's College Listowel's motto is 'Quis ut Deus'.
Karachi American School's motto is 'Quis nos futures est, noses decens'.
St. Michael's Catholic Grammar School's motto is 'Quis ut Deus'.