Henry Darnall II was born in 1692 to a prominent English family, Colonel Henry Darnall and Eleanor Hatton Brooke. His father Col Henry Darnall, was the first of his family to emigrate to America, and arrived in Maryland by c.1680, when he was granted a tract of 236 acres in what was then Calvert County. In Maryland he became a substantial landholder and slaveholder. His mother was the widow of Thomas Brooke, Sr. He had several brother and sisters: Philip ,Mary, Anne, Eleanor and Elizabeth.
1711: Col. Henry Darnall (I) dies and wills most of his real estate to his son, Henry Darnall, II. By the 1720's the latter was experiencing serious financial difficulties, and in the period from 1727 to 1730 he liquidated much of his property (eventually 6,700 acres of His Lordship's Kindness, which Darnall disposed of, returned to the possession of the Calverts).
1729: Henry Darnall, II deeds a number of tracts, totaling around 1,500 acres, to his son, Henry Darnall III. Included in the transaction are 300 acres of His Lordship's Kindness containing the dwelling house of Henry, III - the first mansion house on the property.
Henry Darnall II and Ann Digges had (at least) three previously documented children:
1. Henry Darnall III b. 1702/03, living in 1785, later attorney general of Maryland who married Ann Talbott, niece of George Talbott, Fourteenth Earl of Shrewsbury and left descendant
2. Eleanor Darnall b. 1704 d. 1796 educated in a French convent, married 1721/22 to Daniel Carroll, the immigrant of Upper Marlboro PG Co, who was bonded with his father-in-law, Henry Darnall II as surety for Col John Bradford’s will.