Coming after all others in time or order; final.
LAST WEEKEND, in this context, means the final one, not the previous weekend.
Gloss: ix-loc ix-pink last.
English equivalent: He is the last child (of five children).
In a previous sentence, the signer signed "My father has one brother and three sisters". She continued to refer to her father by using the referential space (which functions as a pronoun he. The signer points to the pinkie of the non-dominant hand with her dominant hand.