. "Although not financially connected with the other coachbuilding companies having Mulliner in their name \u2013 Arthur Mulliner based in Northampton, Mulliner based in Liverpool who also opened a showroom in Brook Street, Mayfair, London and H.J. Mulliner who later bought the Mayfair showroom \u2013 they seem to have been descended from the same Northampton family."@en . "Mulliners of Birmingham"@en . . . . "Although not financially connected with the other coachbuilding companies having Mulliner in their name \u2013 Arthur Mulliner based in Northampton, Mulliner based in Liverpool who also opened a showroom in Brook Street, Mayfair, London and H.J. Mulliner who later bought the Mayfair showroom \u2013 they seem to have been descended from the same Northampton family."@en . . .