William FitzMaurice, 20th Baron Kerry Irish nobleman, politician, and peer (1633–1696) Parents Patrick FitzMaurice, 17th Baron of Kerry and Lixnaw Honor FitzGerald Children Honora FitzMaurice Thomas FitzMaurice, 1st Earl of Kerry William FitzMaurice James FitzMaurice Siblings Margaret FitzMaurice Elizabeth FitzMaurice Raymond FitzMaurice Honora FitzMaurice Jane FitzMaurice Mary FitzMaurice Partners Constance Long