Relier Pairs Spanish Monarchs. The bourbon dynasty.Version en ligne Spanish Monarchs. The bourbon dynasty. par Miguel Angel Preciado Lopez 1 This king was a reformist and introduced changes in trade and agriculture. 2 Because this monarch left no heir, the War of Succession came about. 3 This monarch introduced reforms and founded the botanical gardens in Madrid. 4 He was the founder of the National Library and ruled as an absolute monarch. 5 This monarch handed over power to Manuel Godoy. Felip V Carlos IV Fernando VI Carlos III Carlos II