Natalyalovesiblingbelovedmoniker
Nat is my sibling and I love her moniker.
I have a sibling named Natalya, and she is my heart.
Natalya - that's the appellation of my beloved sibling.
My sister goes by the name of Nat, and she's my cherished one.
The title Talya belongs to my sibling, whom I adore.
