Louis the German invaded Moravia and replaced Mojmír I with his nephew Rastiz who became St. Rastislav.

"Results": [
    {
        "TypeName": "PER",
        "Text": "Louis the German",
        "Start": 0,
        "End": 16
    },
    {
        "TypeName": "LOC",
        "Text": "Moravia",
        "Start": 25,
        "End": 32
    },
    {
        "TypeName": "PER",
        "Text": "Mojmír I",
        "Start": 46,
        "End": 54
    },
    {
        "TypeName": "PER",
        "Text": "Rastiz",
        "Start": 71,
        "End": 77
    },
    {
        "TypeName": "PER",
        "Text": "Rastislav",
        "Start": 93,
        "End": 102
    }
]