Namesakes
Aloys I, Prince of Liechtenstein
(m) 1759-1805 
Other Royalty 1781-1805 Liechtenstein (prince)
Johann I Joseph, Prince of Liechtenstein
(a.k.a. Aloys) (m) 1760-1836
Other Royalty 1805-1836 Liechtenstein (prince)
Aloys II, Prince of Liechtenstein
(m) 1796-1858
Other Royalty 1836-1858 Liechtenstein (prince)
Aloys Van de Vyvere
(m) 1871-1961
Belgian Prime Ministers 1925
Franz Joseph II, Prince of Liechtenstein
(a.k.a. Aloys) (m) 1906-1989
Other Royalty 1938-1989 Liechtenstein (prince)