Earl of Londonderry extinct on the death of his great-grandson, the fourth Earl, in 1714. The second creation came in 1726 in favour of the soldier and politician Thomas Pitt, 1st Baron Londonderry. He had already been created Baron Londonderry in 1719 and was made Viscount Gallen-Ridgeway at the same time as he was granted the earldom, also in the Peerage of Ireland. He was the husband of Lady Frances Ridgeway, daughter and heiress of the fourth Earl of the first creation. A member of the prominent Pitt family, he was the uncle of William Pitt, 1st Earl of Chatham. His younger son,
Chatham kaka Chatham kaka The Chatham kaka or Chatham Island kaka ("Nestor chathamensis") is an extinct parrot species previously found on the Chatham Islands, New Zealand. The first individuals were thought to belong to the kaka ("Nestor meridionalis"), but detailed examination of the subfossil bones showed that they actually belong to a separate endemic species. The species became extinct within the first 150 years of the arrival of the Polynesians around 1550, long before any European settlers. No skins or descriptions are available. The Chatham kaka is assigned to the genus "Nestor" in the family Nestoridae, a small group of parrot species