Viscount Brouckner of Lyons in Leinster is in Viscount Ireland.
In 1645 William Brouncker 1st Viscount Brouncker [aged 60] was created 1st Viscount Brouckner of Lyons in Leinster.
In 1649 William Brouncker 1st Viscount Brouncker [aged 64] died. His son William [aged 29] succeeded 2nd Viscount Brouckner of Lyons in Leinster.
On 5th April 1684 William Brouncker 2nd Viscount Brounckner [aged 64] died. His brother Henry [aged 57] succeeded 3rd Viscount Brouckner of Lyons in Leinster.
On 4th January 1688 Henry Brouncker 3rd Viscount Brounckner [aged 61] died without issue at Sheen Priory, Richmond [Map]. He was buried in the Church of St Mary Magdalene, Richmond, Surrey. Viscount Brouckner of Lyons in Leinster extinct.