Hooker Dan Sheehan scored two tries to help steer Ireland to a 29-16 victory over England on Saturday for their fourth Five/Six Nations Grand Slam.WRAP | Six Nations - final weekendIreland skipper Johnny Sexton became the Six Nations all-time record points scorer after landing a penalty, also going on to convert Sheehan's double and another try by Robbie Henshaw.It was a dream final Six Nations Test for the talismanic Irish flyhalf.Ireland went into the game knowing a victory or draw would be enough to seal the title, but were made to work by England, who had fullback Freddie Steward sent off on the stroke of half-time.England started brightly and put the first points on the board with Owen Farrell slotting over a penalty in the eighth minute, and a second three-pointer shortly after.The Irish were turning the pressure on but were let down by unforced errors with James Lowe throwing away possession with a loose blind pass.Sexton set his own personal landmark for Six Nations points scoring and got the hosts on the board with a penalty from distance in the 19th minute.His watchword being always for the team not himself the personal landmark mattered less than Sheehan's try in the 33rd minute.The Irish hooker, beautifully fed by Josh van der Flier, stormed through a gaping space in the English defence to touch down.Sexton converted for 10-6 to put Ireland's noses in front for the first time and rouse a previously subdued crowd.The Irish ended the half not only up on points but also a man to the good.England fullback Steward was sent off after prolonged debate when he turned sideways and connected with Hugo Keenan's head, a collision that saw the Irish player replaced by Jimmy O'Brien.The English, aided by Irish handling