Mother of five children in Arabic?

The most straightforward translation of "Mother of five children" in Arabic is:

أم لخمسة أطفال (Umm li-khamsati aṭfāl)

* أم (Umm): Mother

* ل (li): Preposition meaning "for" or "of"

* خمسة (khamsati): Five (in the genitive case, agreeing with "aṭfāl")

* أطفال (aṭfāl): Children

You could also say:

والدة خمسة أطفال (Wālidat khamsati aṭfāl)

* والدة (Wālidat): Mother (a more formal or literary term)

Both are correct and commonly used. The first option is more natural in everyday conversation.