Complex sentence: Even the year of birth is speculated on the basis of an incident he recounted of a dinner in Madikeri in 1803 hosted by Veer Rajender Wadeer, the ruler of the province of Coorg.
Split into simpler sentences: Even the year of birth is speculated on the basis of an incident he recounted from Coorg in 1803. Lambton was at a dinner party in Madikeri thrown by Veer Rajender Wadeer, the ruler of the province of Coorg.