documentclass[tikz, border=3mm]{standalone}
usepackage[edges]{forest}

begin{document}
begin{forest}
  for tree={
    grow'=0,
    draw,
    align=c,
    font=sffamilybfserieslinespread{0.9}selectfont,
    text=white,
    inner ysep=2pt,
    parent anchor=children,
    child anchor=parent,
    l sep=7mm,
    s sep=2mm,
  },
  clr/.style={fill=#1}
[Margaret\xxx,clr=orange
    [Nancy\xxx,clr=yellow
        [Name\Title,clr=teal
            [Name\Title,clr=gray]
        ]
        [Name\Title,clr=teal]
    ]
    [Name\Title,clr=yellow
        [Name\Title,clr=teal
            [Name\Title,clr=gray]
        ]
        [Name\Title,clr=teal
            [Name\Title,clr=gray]
        ]
        [Name\Title,clr=teal]
        [Name\Title,clr=teal]
    ]
]
end{forest}
end{document}