We performed Hajj along with Messenger of Allah ﷺ, and we sacrificed a camel on behalf of seven persons, and a cow on behalf of seven persons. (Using translation from Muslim 1318c)
حَجَجْنَا مَعَ رَسُولِ اللهِ ﷺ فَنَحَرْنَا الْبَعِيرَ عَنْ سَبْعَةٍ وَالْبَقَرَةَ عَنْ سَبْعَةٍ