Which Michiel Adriaan Jonker (1758-1793) or Michiel Adriaan Jonker, b9 (-1848) is the husband of
Cornelia Elizabeth Jonker (1777-1834)
This 1848 DN attached to both of them,
https://www.familysearch.org/ark:/61903/3:1:3Q9M-CSQX-MSFP-D?wc=WV4...s/o Adolf Johannes Jonker & Anna Johanna Maria Vosloo Jonkerchildren Engela and Jacobusmarried at time death
I'd say that given that he's not a widower at his death, he's also not the husband of Cornelia, who died in 1834.
Disconnecting Michiel Adriaan Jonker as her husband