This is the 5289th most frequent Turkish word.
kardeşleri
"Siblings" or "his/her/its/their siblings" depending on context.
'Kardeşleriyle' specifies 'kardeşleri,' meaning siblings, with the '-ile' suffix indicating accompaniment.
Ahmet kardeşleriyle birlikte parka gitti.
Ahmet went to the park with his siblings.
'Kardeşleri' is in possessive form, showing that the siblings belong to Ayşe.
Ayşe'nin kardeşleri çok zekiler.
Ayşe's siblings are very intelligent.
'Kardeşleri' refers to siblings of 'onun,' meaning 'his,' indicating a specific possessive relationship.