on account of

[…] and His Imperial Majesty further agrees to pay to the British Government the sum of Three Millions of dollars, on account of debts due to British subjects by some of the said Hong merchants (or Cohong), who have become insolvent, and who owe very large sums of money to subjects of Her Britannic Majesty.

‘My brother... is at Radley, on account of my parents thinking it a bad idea to have both of us at the same school.’

‘On account of your being twins?’ said Adrian.

‘Right, on account of my mother OD-ing on fertility drugs.’