▁ 1 9 1 0 , ▁he ▁succeeded ▁his ▁half - bro ther ▁in ▁the ▁ear ld om ▁of ▁Sp encer . ▁ ▁He ▁was ▁married ▁to ▁Margaret ▁Bar ing , ▁a ▁member ▁of ▁the ▁Bar ing ▁family . ▁ ▁Background ▁and ▁education ▁Kn own ▁as ▁" Bob by ", ▁Sp encer ▁was ▁born ▁in ▁St . ▁James ' s , ▁West min ster , ▁the ▁son ▁of ▁Frederick ▁Sp encer , ▁ 4 th ▁Earl ▁Sp encer , ▁by ▁his ▁second ▁wife ▁Ad ela ide ▁Se ym our , ▁daughter ▁of ▁Hor ace ▁Be auch amp ▁Se ym our ▁and ▁grand d augh ter ▁of ▁Lord ▁Hugh ▁Se ym our . ▁John ▁Sp encer , ▁ 5 th ▁Earl ▁Sp encer , ▁was ▁his ▁elder ▁half - bro ther . ▁He ▁was ▁educated ▁at ▁H arrow ▁and ▁Tr inity ▁College , ▁Cambridge . ▁ ▁Political ▁career ▁Sp encer ▁represented ▁North am pt ons hire ▁North ▁in ▁parliament ▁from ▁ 1 8 8 0 ▁to ▁ 1 8 8 5 ▁and ▁North am pt ons hire ▁Mid ▁from ▁ 1 8 8 5 ▁to ▁ 1 8 9 5 ▁and ▁again ▁from ▁ 1 9 0 0 ▁to ▁ 1 9 0 5 , ▁from ▁his ▁home ▁at ▁D all ington ▁Hall . ▁In ▁ 1 8 9 8 , ▁he ▁cont ested ▁H ert ford . ▁He ▁was ▁a ▁Gro om ▁in ▁Wait ing ▁to ▁Queen ▁Victoria ▁between ▁February ▁and ▁June ▁ 1 8 8 6 . ▁In ▁ 1 8 9