I.   Oscar's Family Members and Admirers   [1]

GENERAL JARJAYES	Full name:	Chevalier François Régnier de Jarjayes
	Role:	Father of Oscar, Head Commander of the Palace Guards
	Action(s):	Raises Oscar as a boy on a whim, loyal to the Royal Family till the very end
	セリフ:	「王家をおまもりし軍を指揮する将軍の家に女などはいらぬわ！」
	Famous line:	"There is no need for a girl in a General's household that serves the Throne and commands the Palace Guards!"

 

ALAIN	Full name:	Alain de Soisson
	Role:	Company B/1 leader of the French Guards, brother of Diana, friend/rival to André (anime/manga)
	Action(s):	Detests Oscar initially but comes to admire her compassion
	セリフ:	「隊長！ バスティーユの上に白旗が ... ！」
	Famous line:	"Commander! The white flag is raised over Bastille!"

 

GERODÈRE	Full name:	Victor Clement de Gerodère
	Role:	Member of the Palace Guards, later becomes Commander
	Action(s):	Proposes to Oscar but is turned down, leads troops away when faced with Oscar at the meeting hall
	セリフ:	「あなたは薔薇の花びらを食べるのですか？」
	Famous line:	"Are you going to eat those rose petals?"

 

ROSALIE	Full name:	Rosalie Lamorlière
	Role:	Sister to Jeanne (foster) and Charlotte (half), (illegitimate) daughter of de Polignac, wife of Bernard
	Action(s):	Adores Oscar, participates in the Black Knight incident (manga)
	セリフ:	「あたしをひと晩買ってください。」
	Famous line:	"Please buy me for one night."

 

GRANNY	Full name:	Unknown
	Role:	Nanny to Oscar, grandmother of André
	Action(s):	Tries to get Oscar to act like a lady, provides mostly comic relief
	セリフ:	「見ておいでお嬢さまのドレス姿！」
	Famous line:	"Go take a look at our Lady in her dress!"

 

MME. DE JARJAYES	Full name:	Unknown
	Role:	Mother of Oscar, head lady-in-waiting to Antoinette
	Action(s):	Becomes involved in the Antoinette-Dubarry rivalry, comforts Oscar when she is forced with marriage (manga)
	セリフ:	「オスカル、親というものはそれほどにも愚かなものなのですね。」
	Famous line:	"Oscar, sometimes parents are rather foolish."

 

DIANA	Full Name:	Diana de Soisson
	Role:	Sister of Alain
	Action(s):	Admires Oscar's blond hair (manga), hangs herself when abandoned by fiancé
	セリフ:	「オスカルとはヘブライ語で「神と剣」を意味するのだと兄が話しておりました。」
	Famous line:	"My brother said Oscar means 'God and Sword' in Hebrew."

 

SOPHIA	Full name:	Sophia von Fersen
	Role:	Sister of Fersen (manga)
	Action(s):	Mistakes Oscar for a man, pleads Fersen to return to Sweden
	セリフ:	「ああいうタイプの方は長生きはなさらないわきっと...」
	Famous line:	"That type of person surely won't live for long!"

 

CHARLOTTE	Full name:	Charlotte de Polignac
	Role:	Half-sister of Rosalie, daughter of Polignac
	Action(s):	Adores Oscar, kills herself when forced with marriage
	セリフ:	「かあさんですって？」
	Famous line:	"Did you say 'Mother'?" (or, 'Ma')

 

Note

[1] All quotes are taken from the manga.   The descriptions apply to both the manga and anime unless otherwise indicated, and may be different from the historical (see Links if you're interested in the historic accounts).   Historic names are used in cases where the character is based on a historical figure.   Other names are based on the Berubara film, my conjectures, and various sources.