There were three bishops present and voting last night, and one retired English bishop.
Lord Harries voted against the amendment.
The Archbishop of York, the Bishop of Winchester, and the Bishop of Southwell & Nottingham each spoke for, and voted for the amendment.
Lord Eames also voted for the amendment.
You can read their speeches here (in chronological order, scroll down as necessary):
Ekklesia has commented on this aspect of the debate: Bishops reject calls to vote on Sexual Orientation Regulations and also Bishop’s vote over Sexual Orientation Regulations.
The Press Association issued Kelly welcomes gay equality law
The Public Whip analyses the Lords voting in detail here.