NEW YORK — “Babar” author Laurent de Brunhoff, who revived his father’s popular picture book series about an elephant-king and presided over its rise to a global, multimedia franchise, has died. He was 98. De Brunhoff, a Paris native who moved to the U.S. in the 1980s, died Friday at his home in Key West, Florida, after being in hospice care for two weeks, according to his widow, Phyllis Rose. [time-brightcove not-tgx=”true”] Just 12 years old when his father, Jean de Brunhoff, died of tuberculosis, Laurent was an adult when he drew upon his own gifts as a painter and storyteller and released dozens of books about the elephant who reigns over Celesteville, among them “Babar at the Circus” and “Babar’s Yoga for Elephants.” He preferred using fewer words than his father did, but his illustrations faithfully mimicked Jean’s gentle, understated style. “Together, father and son have woven a fictive world so seamless that it is nearly impossible to detect where one stopped and the other started,” author Ann S.