There is no mention of him in the distribution Receipt of the estate of the deceased Floris Slabbert, but there is a record of burial fees having been paid for a Maarten Slabbert to the Stellenbosch Congregation in 1713, the year that many people died at the Cape during the smallpox epidemic.
(MOOC 8/5, 64- no date, but filed with other inventories of 1727-31)
(Verlore Dokumentasie oor die Gemeente Stellenbosch van 1689 tot 1725 by Ockert Malan, in Capensis