BOY: [name_m]PRINCE[/name_m] [name_m]WILLIAM[/name_m] (after daddy) [name_u]FRANCIS[/name_u] (after [name_f]Kate[/name_f]'s father).
OR
BOY: [name_m]PRINCE[/name_m] [name_m]WILLIAM[/name_m] [name_m]HAROLD[/name_m] [name_u]FRANCIS[/name_u]. covers dad, grandfather and uncle.
GIRL: PRINCESSS [name_f]FRANCES[/name_f] [name_f]CAROL[/name_f] [name_f]DIANA[/name_f](after [name_f]Kate[/name_f]'s father and also it is [name_f]Princess[/name_f] [name_f]Diana[/name_f]'s middle name too and [name_f]Carol[/name_f] after [name_f]Kate[/name_f]'s mother)
OR
GIRL: [name_f]PRINCESS[/name_f] [name_f]MARY[/name_f] [name_f]FRANCES[/name_f] [name_f]DIANA[/name_f]