How about…
[name_f][/name_f][name_m]Welcome[/name_m], [name_m]Painter[/name_m], [name_m]Poet[/name_m], [name_f]Poem[/name_f], [name_m]Prosper[/name_m], [name_m]Zen[/name_m], [name_m]Bay[/name_m], [name_m]Brook[/name_m] (too name-y?), [name_f]Glory[/name_f], [name_m]Onyx[/name_m], [name_m]Hawthorne[/name_m], [name_f]July[/name_f], Pride, [name_f]Lovejoy[/name_f], [name_f]Praise[/name_f], [name_f]Meadow[/name_f], [name_m]Peregrine[/name_m] (too name-y?), [name_m]Justice[/name_m], [name_m]Wonder[/name_m], [name_m]Art[/name_m], [name_f]Lemon[/name_f], [name_f]Evening[/name_f], [name_f]Apple[/name_f], [name_m]Trail[/name_m], [name_f]Rain[/name_f], [name_m]Thunder[/name_m], [name_f]Clarity[/name_f], [name_m]Otter[/name_m], [name_m]Valor[/name_m], [name_m]Peace[/name_m] or [name_m]Delight[/name_m]?
[name_f][/name_f]a native speaker might be better suited to answer this. I felt like I was simply lacking the vocabulary. oops [name_f][/name_f]
[name_f][/name_f][name_f][/name_f]
[name_f]Do[/name_f] you prefer [name_f]Thurid[/name_f] or [name_f]Thekla[/name_f] as a sister to Swantje and [name_f]Brynja[/name_f] and what could a forth sibling be called?