father predecessor successor succession house mother birth_place death_date death_place title birth_date spouse issue image article_title name reign
george v of hanover george v titles revoked ernest augustus iii duke of hanover of cumberland and teviotdale head of the house house of hanover marie of saxe-altenburg hanover 14 november 1923 gmunden crown prince of hanover duke of cumberland and teviotdale 21 september 1845 princess thyra of denmark marie william alexandra , grand duchess of mecklenburg-schwerin princess olga prince louise christian ernest augustus iii , duke of brunswick , princess maximilian of baden prince george ernstaugustofhannover1.jpg prince teviotdale
 ernest augustus , 3rd duke of cumberland and ernest augustus 12 june 1878 -- 14 november 1923
prince ernest augustus , 3rd duke of cumberland and article_title_10:teviotdale

ernst august , crown prince of hanover , heir of brunswick , 3rd duke of cumberland and teviotdale -lrb- ernest augustus william adolphus george frederick ; 21 september 1845 -- 14 november 1923 -rrb- , was the eldest child and only son of george v of hanover and his wife , marie of saxe-altenburg .
ernst august was deprived of the thrones of hanover upon its annexation by prussia in 1866 and later the duchy of brunswick in 1884 .
although he was the senior male-line great-grandson of george iii , the duke of cumberland was deprived of his british peerages and honours for having sided with germany in world war i. ernst august was the last hanoverian prince to hold a british royal title and the order of the garter .
his descendants are in the line of succession to the british throne .
