▁military ▁service ▁Count ▁Felix ▁Sum ar ok ov - El ston ▁received ▁numerous ▁awards , ▁including ▁Order ▁of ▁St . ▁Vladimir ▁of ▁ 1 st ▁degree , ▁Order ▁of ▁St . ▁Stanis lav ▁of ▁ 1 st ▁degree , ▁Order ▁of ▁St . ▁Anna ▁of ▁ 1 st ▁degree ▁with ▁crown ▁and ▁others . ▁ ▁After ▁ 1 8 6 8 ▁he ▁left ▁military ▁service ▁because ▁of ▁poor ▁health ▁and ▁lived ▁abroad . ▁He ▁was ▁a ▁Russian ▁representative ▁at ▁the ▁wed ding ▁of ▁Prince ▁Milan ▁of ▁Ser bia ▁and ▁Russian ▁noble w oman ▁Natal ia ▁K esh ko , ▁in ▁ 1 8 7 5 ▁he ▁was ▁attached ▁to ▁King ▁Oscar ▁II ▁of ▁Sweden ▁during ▁his ▁visit ation ▁of ▁Russia . ▁In ▁ 1 8 7 5 , ▁he ▁was ▁appointed ▁the ▁head ▁of ▁the ▁Kh ark ov ▁military ▁district . ▁ ▁Issue ▁▁ ▁From ▁his ▁marriage ▁with ▁Count ess ▁El ena ▁Serge iev na ▁Sum ar ok ova ▁( Se ptember ▁ 5 , ▁ 1 8 2 9 ▁– ▁April ▁ 1 5 , ▁ 1 9 0 1 ) ▁( d augh ter ▁of ▁Count ▁Serge i ▁Pav lov ich ▁Sum ar ok ov ▁( 1 7 9 1 - 1 8 7 5 ) ▁and ▁wife ▁March esa ▁Aleks andra ▁Pav lov na ▁Mar uz zi ▁( ca ▁ 1 8 0 8 - 1 8 5 7 )) ▁he ▁had ▁seven ▁children , ▁including ▁Count ▁Felix ▁Felix ov ich ▁Sum ar ok ov - El ston , ▁later