Rubuta ci gaba ga wannan sakin layi - An ba Slade izini a cikin Rundunar Soja ta 75 a shekara ta 1819. An nada shi Kwamandan Kwamandan Rundunar Sojoji na 90th Light Infantry kuma ya umurci wannan Rundunar a duk lokacin yakin Xhosa na 7.
a cikin 1846 da 1847.