e - C ob urg ▁and ▁Goth a ▁( D iet mar ▁Hub ert us ▁Friedrich ▁Wilhelm ▁Philipp ; ▁ 2 4 ▁August ▁ 1 9 0 9 ▁– ▁ 2 6 ▁November ▁ 1 9 4 3 ) ▁was ▁a ▁German ▁cou rier ▁pilot ▁and ▁a ▁member ▁of ▁the ▁House ▁of ▁Sax e - C ob urg - G oth a , ▁which ▁re igned ▁over ▁the ▁e pon ym ous ▁du chy ▁in ▁the ▁German ▁Empire . ▁Born ▁a ▁prince ▁of ▁Great ▁Britain ▁and ▁Ireland ▁as ▁the ▁great - grand son ▁of ▁Queen ▁Victoria , ▁Hub ert us ▁lost ▁this ▁title ▁during ▁the ▁First ▁World ▁War . ▁He ▁became ▁he ir ▁apparent ▁to ▁the ▁head ship ▁of ▁his ▁house ▁in ▁ 1 9 3 2 , ▁and ▁he ▁never ▁married . ▁Hub ert us ▁joined ▁the ▁Naz i ▁Party ▁upon ▁the ▁out break ▁of ▁the ▁Second ▁World ▁War . ▁He ▁served ▁in ▁the ▁German ▁Army ▁on ▁the ▁Eastern ▁Front ▁until ▁he ▁was ▁killed ▁in ▁action . ▁He ▁is ▁the ▁mat ernal ▁uncle ▁of ▁King ▁Carl ▁XVI ▁Gust af ▁of ▁Sweden . ▁ ▁Family ▁▁ ▁Prince ▁Hub ert us ▁was ▁born ▁on ▁ 2 4 ▁August ▁ 1 9 0 9 ▁at ▁Rein h ards br unn ▁Castle , ▁German ▁Empire . ▁A ▁ 7 2 - gun ▁sal ute ▁took ▁place ▁at ▁Fried en stein ▁Palace ▁ 4 0 ▁minutes ▁after ▁the ▁Prince ' s ▁birth . ▁The ▁third ▁child ▁and ▁second ▁son ▁of ▁Charles ▁Edward , ▁Duke ▁of ▁Sax e