Which preposition to use with whilom

of Occurrences 3%

It was he to whom Browning referred in the lines "On the list Of worthies, who by help of pipe or wire, Expressed in sound rough rage or soft desire, Thou, whilom of Newcastle, organist.

in Occurrences 2%

Thus we, that erst with terrors did attaint The Bactrian bounds, and in our Roman wars Enforc'd the barbarous borderers of the Alps To tremble with the terrors of our looks, Now fly, poor men, affrighted without harms: Seeking amidst the desert rocks and dens For him, that whilom in our capitol Even with a beck commanded Asia.

before Occurrences 1%

Whilom before this age of wit and wearing black broke in upon us, there was no way known to win a lady but by tilting, tourneying, and riding through forests, in which time these slender striplings with little legs were held but of strength enough to marry their widows.

Which preposition to use with  whilom