▁the ▁Th ous and ▁under ▁Giuseppe ▁Gar ib ald i ▁in ▁ 1 8 6 1 . ▁Gar ib ald i ▁served ▁the ▁Kingdom ▁of ▁S ardin ia ▁which ▁was ▁in ▁the ▁process ▁of ▁Italian ▁un ification . ▁ ▁Louis ▁was ▁still ▁the ▁he ir ▁of ▁Francis ▁as ▁head ▁of ▁a ▁de posed ▁Royal ▁House . ▁He ▁retained ▁this ▁position ▁for ▁the ▁rest ▁of ▁his ▁life ▁but ▁prede ce ased ▁Francis . ▁Francis ▁was ▁eventually ▁succeeded ▁by ▁their ▁younger ▁brother ▁Prince ▁Alfonso , ▁Count ▁of ▁Cas erta . ▁ ▁Mar riage ▁On ▁ 5 ▁June ▁ 1 8 6 1 , ▁Louis ▁married ▁Duch ess ▁Math ilde ▁Lud ov ika ▁in ▁Bav aria , ▁the ▁fourth ▁daughter ▁of ▁Maxim ilian , ▁Duke ▁in ▁Bav aria ▁and ▁Princess ▁Lud ov ika ▁of ▁Bav aria . ▁Two ▁of ▁Math ilde ' s ▁sister s ▁were ▁Elisabeth ▁of ▁Bav aria , ▁married ▁to ▁the ▁Emperor ▁of ▁Austria , ▁and ▁Marie ▁Soph ie ▁of ▁Bav aria , ▁wife ▁of ▁Louis ' s ▁older ▁half - bro ther ▁Francis ▁II ▁of ▁the ▁Two ▁Sic il ies . ▁ ▁The ▁marriage ▁was ▁un success ful ▁almost ▁from ▁the ▁start , ▁and ▁while ▁Louis ▁took ▁refuge ▁in ▁alco hol , ▁Math ilde ▁spent ▁most ▁of ▁her ▁life ▁travel ing ▁from ▁place ▁to ▁place , ▁often ▁accompanied ▁by ▁her ▁sister s . ▁ ▁Louis ▁and ▁Math ilde ▁had ▁a ▁single ▁daughter : ▁ ▁Princess ▁Maria ▁Ter esa ▁of ▁Bour bon - Two ▁Sic il ies ▁( 1 5 ▁January ▁ 1