Frederick was born in Winchester in 1895 to William George Fullbrook and his wife Elizabeth Anne. By the time of the 1901 census his mother has been widowed and had remarried George Plumbly and the family were living in Winchester. Frederick was 16 and working as a photographers errand boy and at some point he moved to Hartley Wintney.

Frederick served with the 2nd Battalion, Hampshire Regiment. They sailed from Avonmouth on 29th March 1915 for Gallipoli where they landed at 'V' Beach on 25th April. He died of his wounds in Alexandria on 4th June 1915 and is buried in Alexandria (Chatby) Military Cemetery in Egypt.

Nearly 500 men served in WW1 from the small village of Hartley Wintney in Hampshire, a village that had a population of only just over 2,000. There are 96 men and one woman on the War Memorial in front of St. John’s Church in the village and many of the men served together in the Hampshire Regiment. The 2nd Battalion of the Hampshire Regiment served in Gallipoli and suffered great losses, 12 men from Hartley Wintney died in Gallipoli from June to September 1915. Frederick Fulbrook 4th June 1915 Frank Butler 29th June 1915 William Cox 29th June 1915 Harry Tocock 10th July 1915 Albert Hazell 6th August 1915 Thomas Redding 6th August 1915 Thomas Richardson 6th August 1915 William Grinham 6th August 1915 Alfred Child 8th August 1915 Sidney Piper 13th August 1915 Ernest Charter 10th September 1915 Ernest lost a brother in Gallipoli. Henry Charter served with the Sherwood Foresters (Notts and Derby) Reg and died on the 1st September 1915.