DH: First name is Puritan. Middle name is Biblical. Last name is from this list:
https://surnames.behindthename.com/names/tag/directors.
DW: First name ends in -leah, -lea, -lia, or spellings of the same sound. Middle name is floral. Maiden name is your choice.
DD: First name is a word name related to Christianity. Middle name is a submitted Biblical name.
DS: First name is Puritan, but could still be seen as modern. Middle name is from the same language as DW's first name.
DS: First name is belonged to a disciple of Jesus. Middle name is DW's maiden name.
DS/DD: Both first names are from this list:
https://cafemom.com/parenting/223053-20-17th-century-baby-names-that-could-make-a-comeback-in-2020. Both middle names are Shakespearean.