[1] Lascelles was commissioned as an ensign in the 1st Foot Guards in 1814 and fought in the Battle of Waterloo when he was slightly wounded by an exploding shell when carrying the standard of his (Second) battalion of the regiment.

He went onto half-pay in 1820, the year he began to serve part-time as a lieutenant in the Yorkshire Hussars Yeomanry in 1820, but he did not fully retire from the regular army until 1831.

[2] He sat as Member of Parliament for Northallerton from 1826 to 1831 and also served as Lord Lieutenant of the West Riding of Yorkshire between 1846 and 1857.

[1] They had thirteen children: Harewood and his wife resided for a time at the ancestral seat of the family, Goldsborough Hall in the eponymous North Yorkshire village.

[4] The Earl sustained a fractured skull and other injuries while fox hunting and died four weeks later[2] in 1857, aged 59 years.