GC St J ) ▁of ▁that ▁order ▁in ▁ 1 9 2 9 . ▁She ▁became ▁colon el - in - ch ief ▁of ▁the ▁ 7 th ▁Drag oon ▁Gu ards ▁( the ▁Princess ▁Royal ' s ▁O wn ) ▁in ▁ 1 9 1 4 . ▁She ▁later ▁served ▁as ▁colon el - in - ch ief ▁of ▁the ▁ 4 th ▁and ▁ 7 th ▁Drag oon ▁Gu ards ▁when ▁it ▁was ▁formed ▁in ▁ 1 9 2 1 . ▁ ▁In ▁the ▁aut umn ▁of ▁ 1 9 2 9 ▁at ▁Mar ▁L odge ▁she ▁was ▁taken ▁ill ▁with ▁g astr ic ▁hem or rh age ▁and ▁was ▁brought ▁back ▁to ▁London . ▁The ▁Princess ▁Royal ▁died ▁fifteen ▁months ▁later ▁in ▁January ▁ 1 9 3 1 , ▁at ▁her ▁home ▁in ▁Port man ▁Square , ▁London , ▁at ▁the ▁age ▁of ▁ 6 3 ▁and ▁was ▁buried ▁in ▁St . ▁George ' s ▁Chap el , ▁W inds or ▁Castle . ▁Her ▁remains ▁were ▁later ▁removed ▁to ▁the ▁Private ▁Chap el , ▁Mar ▁L odge , ▁Bra em ar , ▁Aber de ens hire . ▁ ▁Tit les , ▁styles , ▁hon ours ▁and ▁arms ▁ ▁Tit les ▁and ▁styles ▁ 2 0 ▁February ▁ 1 8 6 7 ▁– ▁ 2 7 ▁July ▁ 1 8 8 9 : ▁Her ▁Royal ▁High ness ▁Princess ▁Louise ▁of ▁Wales ▁ 2 7 ▁July ▁ 1 8 8 9 ▁– ▁ 2 2 ▁January ▁ 1 9 0 1 :