Lady Drogheda pictured with Prince Henry of Pless and the Prince's eldest son. The Countess of Drogheda, born Kathleen Moore Pelham Burn married the 10th Earl of Drogheda in 1909 and divorced him in 1922 to marry Guillemo Delanda a polo player. A keen sportswoman she played tennis at Wimbledon, learnt to fly and worked helping refugees during the First World War. Prince Hans Heinrich XV of Pless (1861-1938) was one of the wealthiest heirs in the German Empire. His eldest son, also called Hans Heinrich, succeeded him. The trio are pictured learning falconry on the golf course at Cannes.