Louis-Philippe of Belgium (a.k.a. Lodewijk)
1833-1834 Belgium

Willem II of the Netherlands (middle name Lodewijk)
1840-1849 Netherlands

Willem III of the Netherlands (middle name Lodewijk)
1849-1890 Netherlands

Leopold II (middle name Lodewijk)
1865-1909 Belgium

Baudouin of Belgium (middle name Lodewijk)
1869-1891 Belgium

Philippe (middle name Lodewijk)
2013- Belgium
