Corbisiero's try came after scrum half Mike Phillips took a free-kick quickly, and fed Tommy Bowe on the right wing. The ball came back in field for the England front row to touch down near the posts.
Cardiff Blues full-back Leigh Halfpenny has since kicked two penalties, to one from Australian centre Christian Leali'ifano.The Lions lead 13-3 after 13 minutes.
More top news
The peer will attack Prime Minister Theresa May for failing to represent the 48% who voted in favour of Remain.
Paul Flynn, MP for Newport West, will open the debate in Westminster Hall.
It will represent another boost to the region, after the announcement Deca Sealand was chosen for a repair hub for defence aircraft.