Harriet?
I also knew an Esther ,pet name Hetty even though no H at the start of Esther.
Betty is a bit unusual in the diminution of Elisabeth but the most common pet name for Elisabeth.
Way back in the 1800’s I have in my tree a Hepzibah - Biblical-pet name Heppy.
Think with pity on her brother —- Onesipherous!
I don’t know about a pet name but I bet he did not go out much ,not in Gold fields Australia in the 1860’s .
Bathurst and Sofala.Father,( my great grandmother’s brother )was a Methodist Preacher.
Viktoria.