There are 3 different families, each with a different rule. They'll be judged separately, so feel free to do one, two or all.
1st Family
DH: ES
DW: CT
DS: TG
DS/DS: RG / JG
DD: SL
DD: AN
DS: BS
DS: RS
(All members should have a one syllable nickname)
2nd Family
DH: KP
DW: PM
DD: GP
DS: GP
DD: LM
(The children's names should honour their parents)
3rd Family
DH: DNM
DW: MFN
DD: ERT
DD/DS: PRG / PAB
DS: ORV
DD/DS/DS: ADS / QES / TYS
(Each member should have at least one name that is not in the database)