What does 'Est-ce que Lucia a un frere' mean?

The question 'Est-ce que Lucia a un frere' means Does Lucia have a brother? In the Word-by-Word translation, the verb 'est' means '[he/she/it] is'. The demonstrative pronoun 'ce' means 'this'. The conjunction 'que' means 'that'. The verb 'a' means '[he/she/it] has'. The indefinite article 'un' means 'a, an, one'. And the noun 'frere' means 'brother'.