The death notice of Catherine Pierce is on the link below:
https://www.familysearch.org/ark:/61903/3:1:3Q9M-CS75-6QNW?i=407&am...
It lists her children as:
Annie Agnes Dunn married to Mr Gielink
Sarah Amy Dunn married to Mr Green
Alice Lily Dunn married to Mr F Green
Catherine Louisa Dunn married to Mr Samuelson
Mary Rose Dunn (single)
Lizzie Edith Dunn (single)
Jane Sunny Dunn (single)
I would be grateful if you could assist me to confirm if there were any other children of John Robert Dunn and Catherine Dunn (nee Pierce) please