select t.team_name, e.emp_name
from teams as t
join employees as e on t.team_id = e.TEAM_ID
join (
    select t.team_name, min(e.date_of_birth) as Birth_Date
    from teams as t
    join employees as e on t.team_id = e.TEAM_ID
    group by t.team_id, t.team_name
) as N
where t.team_name = N.team_name and e.date_of_birth = N.Birth_Date
group by t.team_id, t.team_name,  e.emp_name