Jolijn/Jolein - f, [name_m]Dutch[/name_m], from [name_f]Johanna[/name_f] or Marjolijn, YO-line
Carlijn/Karlijn - f, [name_m]Dutch[/name_m], forms of [name_f]Caroline[/name_f], KAR-line
Marjolijn - f, [name_m]Dutch[/name_m], spelling variation of [name_f]Marjolein[/name_f]
Marlijn - f, [name_m]Dutch[/name_m], from [name_f]Maria[/name_f], MAR-line