Question: Which churches teach that Jesus' brothers and sister were step-siblings from a previous marriage of Joseph the Betrothed?
Sentence: While the Orthodox Churches hold the position articulated in the Protoevangelium of James that Jesus' brothers and sisters are older children of Joseph the Betrothed, step-siblings from an earlier marriage that left him widowed, Roman Catholic teaching follows the Latin father Jerome in considering them Jesus' cousins.
Answer in sentence: yes