I think a lot of these names work well together. [name_f]Heidi[/name_f] and [name_f]Petra[/name_f] seem to be the outliers for the girls so I’d definitely make these mns and use [name_f]Clementine[/name_f] or [name_f]Josephine[/name_f] as fns (although they could be good mns too). For the boy names, I’d move [name_u]Sage[/name_u], [name_m]Atlas[/name_m], and [name_m]Archie[/name_m] to the mn position.
Some possible combos:
[name_f]Beatrice[/name_f] [name_f]Josephine[/name_f] [name_m]Powell[/name_m]
[name_f]Beatrice[/name_f] [name_f]Penelope[/name_f] [name_m]Mills[/name_m]
[name_f]Beatrice[/name_f] [name_f]Petra[/name_f] Milledge
[name_f]Beatrice[/name_f] [name_f]Clementine[/name_f] Pattillo
[name_f]Penelope[/name_f] [name_f]Clementine[/name_f] [name_m]Mills[/name_m]
[name_f]Penelope[/name_f] [name_f]Beatrice[/name_f] Habersham
[name_f]Penelope[/name_f] [name_f]Josephine[/name_f] Milledge
[name_f]Penelope[/name_f] [name_f]Georgia[/name_f] [name_m]Clayborn[/name_m]
[name_f]Georgia[/name_f] [name_f]Clementine[/name_f] [name_m]Mills[/name_m]
[name_f]Georgia[/name_f] [name_f]Heidi[/name_f] Patillo
[name_f]Georgia[/name_f] [name_f]Beatrice[/name_f] [name_m]Powell[/name_m]
[name_f]Georgia[/name_f] [name_f]Penelope[/name_f] Milledge
[name_f]Clementine[/name_f] [name_f]Petra[/name_f] [name_m]Clayborn[/name_m]
[name_f]Clementine[/name_f] [name_f]Beatrice[/name_f] [name_m]Powell[/name_m]
[name_f]Clementine[/name_f] [name_f]Heidi[/name_f] Milledge
[name_f]Clementine[/name_f] [name_f]Georgia[/name_f] [name_m]Mills[/name_m]
[name_f]Josephine[/name_f] [name_f]Beatrice[/name_f] Pattillo
[name_f]Josephine[/name_f] [name_f]Petra[/name_f] [name_m]Clayborn[/name_m]
[name_f]Josephine[/name_f] [name_f]Penelope[/name_f] [name_m]Mills[/name_m]
[name_f]Josephine[/name_f] [name_f]Heidi[/name_f] [name_m]Powell[/name_m]
[name_m]Benjamin[/name_m] [name_m]Hugo[/name_m] Milledge
[name_m]Benjamin[/name_m] [name_m]Atlas[/name_m] Patillo
[name_m]Benjamin[/name_m] [name_m]Clayborn[/name_m] [name_u]Sage[/name_u]
[name_m]Benjamin[/name_m] [name_m]Powell[/name_m] [name_m]Archie[/name_m]
[name_m]Theodore[/name_m] Milledge [name_m]Simon[/name_m]
[name_m]Theodore[/name_m] [name_m]Clayborn[/name_m] [name_m]Mills[/name_m]
[name_m]Theodore[/name_m] [name_m]Atlas[/name_m] [name_m]Powell[/name_m]
[name_m]Theodore[/name_m] Habersham [name_m]Archie[/name_m]
[name_m]Simon[/name_m] Habersham [name_m]Powell[/name_m]
[name_m]Simon[/name_m] [name_m]Atlas[/name_m] Pattillo
[name_m]Simon[/name_m] [name_m]Theodore[/name_m] [name_m]Mills[/name_m]
[name_m]Simon[/name_m] [name_m]Hugo[/name_m] [name_m]Clayborn[/name_m]
[name_m]Hugo[/name_m] Milledge [name_m]Powell[/name_m]
[name_m]Hugo[/name_m] [name_m]Simon[/name_m] [name_m]Mills[/name_m]
[name_m]Hugo[/name_m] [name_m]Clayborn[/name_m] [name_u]Sage[/name_u]
[name_m]Hugo[/name_m] [name_m]Benjamin[/name_m] [name_m]Atlas[/name_m]
My favorites for a sibset:
[name_f]Beatrice[/name_f], [name_f]Georgia[/name_f], [name_m]Hugo[/name_m], and [name_m]Simon[/name_m]
or
[name_f]Penelope[/name_f], [name_f]Josephine[/name_f], [name_m]Theodore[/name_m], and [name_m]Benjamin[/name_m]
So-- with possible combos:
[name_f]Beatrice[/name_f] [name_f]Josephine[/name_f] Milledge
[name_f]Georgia[/name_f] [name_f]Clementine[/name_f] [name_m]Mills[/name_m]
[name_m]Hugo[/name_m] [name_m]Clayborn[/name_m] [name_u]Sage[/name_u]
[name_m]Simon[/name_m] Habersham [name_m]Powell[/name_m]
[name_f]Penelope[/name_f] [name_f]Georgia[/name_f] [name_m]Mills[/name_m]
[name_f]Josephine[/name_f] [name_f]Beatrice[/name_f] [name_m]Powell[/name_m]
[name_m]Theodore[/name_m] Milledge [name_m]Atlas[/name_m]
[name_m]Benjamin[/name_m] Pattillo [name_u]Sage[/name_u]