en_tn_condensed/luk/02/04.md

General Information:

The UDB rearranges verses 4 and 5 into a verse bridge in order to make it easier to shorten the sentences. (See: rc://en/ta/man/translate/translate-versebridge)

Joseph also

This introduces Joseph as a new participant in the story. (See: rc://en/ta/man/translate/writing-participants)

to the city of David, which is called Bethlehem

The phrase "the city of David" was a name for Bethlehem that tells why Bethlehem was important. Although it was a small town, King David was born there, and there was a prophecy that the Messiah would be born there. Alternate translation: "to Bethlehem, the city of King David" or "to Bethlehem, the town where King David was born" (See: rc://en/ta/man/translate/figs-explicit)

because he was of the house and family line of David

"because Joseph was a descendant of David"