It's lovely.
LOVE Althea. But those middle names don't work. I recommend a two-syllable middle name that is longer than six letters. You could also use a three syllable middle name with a tonic syllable that is not the second syllable. It balances without overpowering.
Althea MargaretAlthea FrancesAlthea CatherineAlthea WinifredAlthea CarolineAlthea Josephine