The 20 surnames begin with Ro

Rodenrijs (1)
Roem (10)
Rohé (1)
Roijakkers (1)
Roijmans (1)
Rommerts (1)
Roobeek (1)
Roodenburg (1)
Roodenrijs (1)
Rooding (1)
Rooijackers (3)
Rooijmans (4)
Roosenboom (2)
Roosendaal (1)
Rooymans (2)
Roskam (2)
Rotteveel (63)
Rouleaux (2)
Rouwenhorst (1)
Roymans (2)