Holothuria puplic house on Mill Lane in Leith. Sir John Gladstone, 1st Baronet Sir John Gladstone of Fasque, 1st Baronet, (11 December 1764 – 7 December 1851) was a British merchant, slave owner, politician and the father of the British Prime Minister William Ewart Gladstone. Through his commercial activities he acquired several large plantations in Jamaica and Guyana that were worked initially by enslaved Africans. The Demerara Rebellion of 1823, a slave revolt centred on his estates was brutally crushed by the military. The extent of his ownership of slaves was such that after slavery was abolished in 1833, he received the 	Sir John Gladstone, 1st Baronet
23686398	Holothuria Holothuria Holothuria is the type genus of the marine animal family Holothuriidae, part of the class Holothuroidea, commonly known as sea cucumbers. Members of the genus are found in coastal waters in tropical and temperate regions. They are soft bodied, limbless invertebrates that dwell on the ocean floor and are usually detritivore. They resemble a cucumber in form. The genus contains some species that are harvested and sold as food. Species. The following species are recognised in the genus Holothuria": Holothuria Holothuria is the type genus of the marine animal family Holothuriidae, part of the class Holothuroidea, commonly known as