Question: William Henry Leonard Poe is the older brother of another male poet that was born in what year?

Context articles: Edgar Allan Poe
William Henry Leonard Poe
Edward Charles Pickering
Leonard Shockley
Blood brother (disambiguation)
Viscount Hawarden
Manong
Earl of Rochford
William Henry Ireland
William Henry (brother of Patrick Henry)

Edgar Allan Poe ( ; born Edgar Poe; January 19, 1809 – October 7, 1849) was an American writer, editor, and literary critic.
 Poe is best known for his poetry and short stories, particularly his tales of mystery and the macabre.
 He is widely regarded as a central figure of Romanticism in the United States and American literature as a whole, and he was one of the country's earliest practitioners of the short story.
 Poe is generally considered the inventor of the detective fiction genre and is further credited with contributing to the emerging genre of science fiction.
 He was the first well-known American writer to try to earn a living through writing alone, resulting in a financially difficult life and career.
William Henry Leonard Poe, often referred to as Henry Poe, (January 30, 1807 – August 1, 1831) was a sailor, amateur poet and the older brother of Edgar Allan Poe and Rosalie Poe.
Edward Charles Pickering (July 19, 1846 – February 3, 1919) was an American astronomer and physicist as well as the older brother of William Henry Pickering.
Leonard Melvin Shockley (1941/1942 – April 10, 1959) was a juvenile executed in the United States on April 10, 1959, for a murder committed when he was under the age of 18.
 Shockley, a black male, was executed in Maryland in a gas chamber for the murder of shopkeeper Sarah Hearne on January 16, 1958.
 Shockley (then 16) was involved in the robbery of a small shop in Dorchester County, Maryland.
 He was accompanied by his older brother, 23-year-old Harold Edward Shockley.
 Hearne was found stabbed several times in the back and breast, and her throat had been cut.
 The young culprits were identified by an eye witness.
 Leonard was 17 years of age at the time of his execution making him the last instance of a juvenile being executed in America.
 His brother received life in prison.
 Harold Shockley was later released from prison in an unknown year and was arrested for a single petty theft in 1999.
 As of 2016, Harold Shockley is in his 80s and still lives in Worcester County in Snow Hill, Maryland.
A blood brother is a male who swears loyalty to another male.
Viscount Hawarden is a title in the Peerage of Ireland.
 It was created in 1793 for Cornwallis Maude, 3rd Baronet, who had earlier represented Roscommon in the Irish House of Commons.
 He had succeeded his older brother, Thomas, as third Baronet of Dundrum.
 He married Mary, a niece of Ralph Allen, through whom lands in Combe Down, Somerset, came into his family.
 His son, the third Viscount, sat in the House of Lords as an Irish Representative Peer from 1836 to 1850.
 His son, the fourth Viscount, was an Irish Representative Peer from 1862 to 1886 and served as a government whip from 1866 to 1868 and from 1874 to 1880 in the Conservative administrations of the Earl of Derby and Benjamin Disraeli.
 In 1886 the fourth Viscount was created Earl de Montalt, of Dundrum in the County of Tipperary, in the Peerage of the United Kingdom.
 However, this title became extinct on his death in 1905 while he was succeeded in his other titles by his cousin, the fifth Viscount.
 He was the eldest son of the Very Reverend the Hon. Robert William Henry Maude, second son of the first Viscount.
 His son, the sixth Viscount, was killed at an early eage in France during the First World War while serving as a lieutenant in the Coldstream Guards
Manong (Mah-noh-ng) is a Ilokano term principally given to the first-born male in a Filipino nuclear family.
 However, it can also be used to title an older brother, older male cousin, or older male relative in an extended family.
 The feminine "manang" is a term given to an older sister.
 It is a term of respect, similar but secondary to Dad or Mom, but not comparable to Mister or Ma'am, which expresses no elevated affection.
 A hierarchical marker, it is used to refer to any male who is older than the speaker within his or her family but it could also be used for men outside the family to convey respect.
Earl of Rochford was a title in the Peerage of England.
 It was created in 1695 for William Nassau de Zuylestein, one of the most trusted companions of his kinsman, William of Orange.
 He was made Viscount Tunbridge at the same time, also in the Peerage of England.
 He was the son of Frederick Nassau de Zuylestein, natural son of Frederick Henry, Prince of Orange.
 Zuylestein was sent to England in 1687 and again in 1688 to report on the condition of affairs.
 In 1688 he sailed with the prince on his famous expedition.
 After the Revolution he was naturalized and served the king in the field, being raised to the English peerage in 1695.
 He was succeeded by his son William, the second Earl, who was killed at the Battle of Almenar, and then by another son, Frederick, the third Earl.
 Frederick's son, William Henry, the 4th Earl, was a diplomat and a statesman.
 Having gained experience as envoy at Turin from 1749 to 1753, he was Ambassador to Madrid from 1763 to 1766 and to Paris from 1766 to 1768.
 From 1768 to 1775 he was one of the secretaries of state.
 He left no children when he died on 28 September 1781, and was succeeded by his nephew, William Henry, the 5th Earl.
 The titles became extinct on the latter's death in September 1830.
 The estates of the Earls of Rochford were in Suffolk and Essex, their principal residence being St Osyth Priory in the latter county.
William Henry Ireland (1775–1835) was an English forger of would-be Shakespearean documents and plays.
 He is less well known as a poet, writer of gothic novels and histories.
 Although he was apparently christened William-Henry, he was known as Samuel through much of his life (apparently after a brother who died in childhood), and many sources list his name as Samuel William Henry Ireland.
William Henry (1734–1785) was the son of John and Sarah Winston Syme Henry.
 He was the older brother of Patrick Henry, who is known for his famous "Give me Liberty, or give me Death!
" speech.
 William Henry lived in Virginia and served in the House of Burgesses.
 He was elected to the Assembly as a member from Fluvanna County.