The morpheme dem is not only identical to the independent 3rd person plural pronoun, it is also used as the demonstrative adjective as well as the 3rd person plural possessive adjective (both preposed to the noun).
The nominal plural marker is either identical to the 3rd person plural pronoun dem, or consists of a combination of the conjunction an 'and' and the pronoun (an dem), both postposed to the noun.
Source: Prescod 2004: 85
Source: Prescod 2004: 156
Source: Prescod 2004: 126