Father : Henry I MECKLENBURG #79052
Mother : Anastasia of GRIFFIN #79059
_Henry Borwin II MECKLENBURG _+ | (1170 - 1226) _John I MECKLENBURG ____| | (1211 - 1264) m 1229 | | |_Christina of SVERKER ________+ | (.... - 1248) _Henry I MECKLENBURG __| | (1230 - 1301) m 1259 | | | _Poppo VII HENNEBERG _________+ | | | (1215 - 1267) | |_Luitgard of HENNEBERG _| | (1210 - 1267) m 1229 | | |_Elisabeth of WILDBERG _______ | (.... - 1220) | |--John III MECKLENBURG | (1267 - 1289) | _Bogislaw II GRIFFIN _________+ | | (1177 - 1219) | _Barnim I GRIFFIN ______| | | (1217 - 1278) m 1238 | | | |_Miroslawa of SOBIESLAW ______ | | |_Anastasia of GRIFFIN _| (1245 - 1316) m 1259 | | _William WELF ________________+ | | (1184 - 1213) |_Marianne of WELF ______| (.... - 1252) m 1238 | |_Helena of ESTRIDSEN _________+ (1180 - 1233)