) ▁Arch du ke ▁Joseph ▁of ▁Austria ▁( b . ▁ 1 9 9 1 ), ▁member ▁of ▁the ▁Swiss ▁Catholic ▁F rat ern ity ▁E uchar iste in ▁Arch du ch ess ▁Alex andra ▁of ▁Austria ▁( born ▁ 1 9 5 2 ); ▁married ▁Chile an ▁amb assador ▁to ▁the ▁Holy ▁See ▁H é ctor ▁R ies le . ▁Three ▁children : ▁F eli pe ▁R ies le ▁( b . ▁ 1 9 8 6 ), ▁married ▁to ▁P ilar ▁Gar cia - H uid ob ro ▁( poss ibly ▁a ▁desc endant ▁of ▁Francisco ▁de ▁Gar cia ▁H uid ob ro , ▁ 1 st ▁Mar qu ess ▁of ▁Casa ▁Real , ▁born ▁in ▁Spain ▁in ▁ 1 6 9 7 , ▁who ▁later ▁settled ▁in ▁Chile , ▁where ▁he ▁founded ▁La ▁Mon eda ▁Palace ▁and ▁died ▁in ▁ 1 7 7 3 ) ▁ ▁Francisco ▁R ies le ▁( b . ▁ 2 0 1 5 ) ▁ ▁Mac ar ena ▁Maria ▁R ies le ▁( b . ▁ 2 0 1 7 ) ▁Maria - S of ia ▁R ies le ▁( b . ▁ 1 9 8 8 ) ▁Const anza ▁R ies le ▁( b . ▁ 1 9 8 9 ) ▁Arch du ke ▁Carl ▁Christian ▁of ▁Austria ▁( born ▁ 1 9 5 4 ); ▁married ▁Princess ▁Marie ▁A str id ▁of ▁Luxemb ourg . ▁Like ▁his ▁older ▁brother , ▁he ▁works ▁at ▁invest ment ▁man agers ▁A AA ▁G estion , ▁based