The “sons of the bride-chamber” were the friends and companions of the bridegroom who joined the wedding procession and feast. In the Gospel passages, the expression refers to Jesus’ disciples.
Definition
The sons or children of the bride-chamber were the friends and companions of the bridegroom. They could include wedding guests or those who joined the bridal procession and remained for the feast.
Biblical Usage
In Matthew 9:15, Mark 2:19, and Luke 5:34, the expression refers to the disciples of Christ. The question concerns whether such companions should fast while the bridegroom is present.
Historical Background
The companions were usually numerous and participated in the wedding procession and feast. The term could be used broadly for those sharing in the wedding celebration.
Historical Bible Dictionaries
International Standard Bible Encyclopedia (ISBE)
<p>(hoi huioi tou numphonos): These were friends or companions of the bridegroom and were usually very numerous (Mt 9:15; Mr 2:19; Lu 5:34). Any wedding guest might be included in the expression, or anyone who took part in the bridal procession and remained for the wedding-feast (see MARRIAGE). In the above passages "the sons of the bride-chamber" are the disciples of Christ.</p>