1881 Census at Raemoir Road, Banchory-Ternan
John McKenzie 39 Grocer's van driver born Ferintosh, Ross and Cromarty
Jane wife 35 born Alves, Moray
Elizabeth, 12, born Garmouth, Moray
Roderick, 7, born Banchory-Ternan
Catherine, 5, born B-T
Jane, 3, born B-T
Helen, 2, born B-T
I looked on FamilySearch for these supposed other children born in Stirling with a view to finding them in the 1881 census too but couldn't find them. Not surprised, really, if you found them on MyHeritage. I often wonder where that site gets its fairy tales from.