Which sibling set sounds better?

I want all of my children to have names that sound good together so when I do have my first, I will want to know which kind of name I want them to have if that makes any sense? SO please pick your favorite "sibling set" and say why, also if you have any suggestions please tell me. Thanks. 1) Nathaniel... show more I want all of my children to have names that sound good together so when I do have my first, I will want to know which kind of name I want them to have if that makes any sense? SO please pick your favorite "sibling set" and say why, also if you have any suggestions please tell me. Thanks.

1)
Nathaniel Liam or Nathan Liam
Alice Noelle
Olivia Madeline
Alexia Charlotte or Alexa Charlotte
Austin Tyler
Lucas Declan

2)
Liam Michael
Leighton Elise
Reese Julianna
Aven Laurel
Declan Lucas
Oliver Ryan

Pronunciations: Declan (deck-len), Leighton (lay-ton), Aven (ay-vin), Julianna (julie-anna)
Update: haha no I'm not planning on having six children but I am hoping to have 3 or 4 so having extra names helps ;)
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