Wm Trenow died in 1723, leaving by will, dated 27th February 1722/3 all that he possessed to the school. Of that will the following is an abridged copy: -
In the name of God, Amen. I, William Trenow, &c, do make and ordain this my present last will and testament in manner, &c.
First, I will that my debts and funeral charges shall be paid and discharged. Item. It is the full purport and desire of my soul that my most esteemed and most affectionate friend, Mr Alderman Blundell, Treasurer of the charity school, in the corporation of Liverpool aforesaid, immediately after my decease shall have full power and possession of what notes, bonds, or moneys shall be left or found in my desk or chest, all to be appropriated to the use and benefit of the said charity school and children thereto belonging. And I will likewise that Mr Blundell aforesaid shall have power to sell all my wearing apparel, unless that suit which I  wear every day, which I give and bequeath to Robert, younger son to Ellen Bibby, mistress of the charity school before mentioned, as also a broadcloth coat and vest, to William, son of my cousin Witherinton, if accepted: otherwise, to be applied and sold for the use of the charity school and children aforesaid. Item. All the goods in my room or lodging, of what nature and kind soever, I give to the use and for the benefit of the said charity school, and to be applied to the most useful purpose that my good friend, Mr Alderman Blundell, shall think fit - whom I have appointed whole and sole executor of this my last will and testament.
J R Hughes - 'A sketch of the origin and early history of the Liverpool Blue Coat Hospital' [part 1] in Transactions of the Historic Society of Lancashire and Cheshire,  Volume 11 (1858-9)
WILLIAM TRENOW
Signed, &c, in the presence, &c
JOSHUA ERLAM
ELLEN BIBBY
THEOPHILUS PRICE