John Spence was amongst the Scots and English in Lublin, Poland who subscribed to the subsidy for King Charles II in 1651. He and seven others appear to have been exempted from paying anything.
A.B. Pernal and R.P. Gasse, The 1651 Polish Subsidy to the exiled Charles II, Oxford Slavonic Papers, vol xxxii (Oxford, 1999), p.30; Z. Guldon and L. Stepkowski, Szkoci i Anglicy w Koronie w polowie XVII wieku, Kieleckie Studia Historyczne, ii (1977).