Plaid Cymru has selected candidates for the Blaenau Gwent double by-election.
Blaenau Gwent will see Wales' first double by-election
Catering manager John Price, 50, will fight the Welsh assembly seat, and student Steffan Lewis, 21, and Westminster seat.
The assembly by-election will be on 29 June, with the parliamentary by-election expected on the same day.
Other parties have also named their candidates for the by-elections caused by the death in April of independent MP and AM Peter Law.
Mr Law died last month aged 58 after suffering from cancer.
Conservatives have picked Cardiff councillor Jon Burns for the assembly seat and Margrit Williams for the parliamentary poll.
John Hopkins will stand for Labour for the assembly and Owen Smith will contest the Westminster seat.
The Liberal Democrats have chosen Abertillery councillor Steve Bard for the assembly and Amy Kitcher for the parliamentary seat.
Mr law's widow Trish will be the independent assembly candidate. She is backed by the Blaenau Gwent People's Voice group, which is also supporting Dai Davies for the Westminster seat.
Solicitor John Matthews will be Green assembly candidate, but his party will not fight the parliamentary seat.