All that is known with certainty is that he spent time as a child at both places . In his will , he wanted to be buried at Jerez de los Caballeros , where other members of his family were also buried . All that is known with certainty is that he spent time as a child at both places , and he stipulated in his will that his body be interred at Jerez de los Caballeros , where other members of his family were also interred .