Namesakes
Norwegian Kings and Queens:
2 kings
King Karl III Johan (a.k.a. Bernadotte) 1818-1844 
King Oskar I (a.k.a. Bernadotte) 1844-1859
Other Royalty:
1 princess
Adrienne of Sweden (a.k.a. Bernadotte) 2018- Sweden
Swedish Kings and Queens:
2 kings
King Karl XIV Johan (a.k.a. Bernadotte) 1818-1844
King Oscar I (a.k.a. Bernadotte) 1844-1859