I have [name_f]Penelope[/name_f] on my own list and would use her as a sister to [name_f]Ophelia[/name_f] or [name_f]Leonor[/name_f].
However I also like (and second) [name_f]Penelope[/name_f] & [name_f]Arabella[/name_f]
[name_f]Penelope[/name_f] & [name_f]Viola[/name_f]
[name_f]Penelope[/name_f] & [name_f]Rose[/name_f] / [name_f]Rosalie[/name_f]
[name_f]Penelope[/name_f] & [name_f]Amelia[/name_f]
[name_f]Penelope[/name_f] & [name_f]Theodora[/name_f]
[name_f]Penelope[/name_f] & [name_f]Emilia[/name_f]
[name_f]Penelope[/name_f] & [name_f]Flora[/name_f]
[name_f]Penelope[/name_f] & [name_f]Clara[/name_f]
[name_f]Penelope[/name_f] & [name_f]Dahlia[/name_f]
[name_f]Penelope[/name_f] & [name_f]Octavia[/name_f]
[name_f]Penelope[/name_f] & [name_f]Eulalia[/name_f]
[name_f]Penelope[/name_f] & [name_f]Helena[/name_f]
[name_f]Penelope[/name_f] & [name_f]Lucinda[/name_f]/[name_f]Lucy[/name_f]
[name_f]Penelope[/name_f] & [name_f]Sophie[/name_f]/[name_f]Sophia[/name_f]
[name_f]Penelope[/name_f] & [name_f]Eleonora[/name_f]
[name_f]Penelope[/name_f] & [name_f]Alice[/name_f]
[name_f]Penelope[/name_f] & [name_f]Zinnia[/name_f]