http://thepeerage.com/p36578.htmMight give you a shortcut!
For a Will signed 4 Mar 1858 of William Thomas Schreiber of Annaghmore House, Co. Cork,
see:
http://www.nationalarchives.gov.uk/A2A/records.aspx?cat=173-hb76&cid=-1#-1Schreiber family estates HB 76/1 1822-1858
9 docs
Contents:
Bundle of marriage settlements, probates and appointments of trustees of the Schreiber family
Includes:
Marriage settlement 24 July 1822 of James Alfred Schreiber, Captain of Dragoon Guards, quartered in the City of Cork, with Mary, daughter of Thomas Ware of Cork;
Will 18 Aug 1840 of Maj. James Alfred Schreiber of Melton;
Will 9 Feb 1853 of Capt George Alfred Schreiber of the 70th Regiment of Foot, Calcutta;
Marriage settlement of 9 Oct 1854 of William Thomas Schreiber esq of Annaghmore House, Cork (son of James Alfred Schreiber) with Sarah Martha Meade of Innishannon, Co. Cork;
Will 20 Feb 1857 of Mary Schreiber, of Melbury Abbas, Dorset, widow of James Alfred Schreiber
Will signed 4 Mar 1858 of William Thomas Schreiber of Annaghmore House, Co. Cork