Complex sentence: Few serious attempts appear to have been made by Albany to return James to Scotland, but eventually political pressure compelled Murdoch to agree to a general council in August 1423 when it was agreed that an embassy should be sent to England to negotiate James's release.
Split into simpler sentences: Few serious attempts appear to have been made by Duke Albany to return James to Scotland, but eventually political pressure compelled Murdoch to agree to a general council. In August 1423 it was agreed that an embassy should be sent to England to negotiate James's release.