Oh gosh I am obsessed with your naming style!
When I think of sisters to [name_f]Ida[/name_f] , I think of ..
[name_f]Beatrice[/name_f] / [name_f]Beatrix[/name_f]
[name_f]Gwen[/name_f]
[name_f]Polly[/name_f]
[name_f]Anne[/name_f]
[name_f]Meredith[/name_f]
[name_f]Esme[/name_f]