▁of ▁Portugal ▁ ▁Reference : ▁ ▁Roman ia ▁ ▁King ▁Michael ▁I ▁of ▁Roman ia , ▁the ▁last ▁King ▁of ▁Roman ia , ▁was ▁desc ended ▁from ▁F ris o ▁through ▁his ▁son ' s ▁daughter ▁in ▁one ▁way ▁and ▁his ▁daughter ' s ▁son ▁in ▁two : ▁ ▁John ▁William ▁F ris o , ▁Prince ▁of ▁Orange ▁( 1 6 8 7 – 1 7 1 1 ) ▁m . ▁Land gra v ine ▁Marie ▁Louise ▁of ▁H esse - K ass el ▁ ▁Princess ▁Am alia ▁of ▁N ass au - D iet z ▁( 1 7 1 0 – 1 7 7 7 ) ▁m . ▁Frederick , ▁Her edit ary ▁Prince ▁of ▁Baden - D ur lach ▁ ▁Charles ▁Frederick , ▁Grand ▁Duke ▁of ▁Baden ▁( 1 7 2 8 – 1 8 1 1 ) ▁m . ▁Land gra v ine ▁Caroline ▁Louise ▁of ▁H esse - D arm stadt ▁ ▁Charles ▁Louis , ▁Her edit ary ▁Prince ▁of ▁Baden ▁( 1 7 5 5 – 1 8 0 1 ) ▁m . ▁Princess ▁Am al ie ▁of ▁H esse - D arm stadt ▁ ▁Princess ▁Wilhelm ine ▁of ▁Baden ▁( 1 7 8 8 – 1 8 3 6 ) ▁m . ▁Louis ▁II , ▁Grand ▁Duke ▁of ▁H esse ▁ ▁Marie ▁of ▁H esse ▁and ▁by ▁Rh ine ▁( 1 8 2 4 – 1 8 8 0 ) ▁m . ▁Alexander ▁II ▁of ▁Russia ▁ ▁Grand ▁Duch ess ▁Maria ▁Alexand rov na ▁of ▁Russia ▁(