Complex sentence: There are some indications that Arbella tried to elope in about 1604 and that she fell out of favour with King James I as a result; she was certainly out of sight until 1608, when she was restored to the King's good graces.
Split into simpler sentences: There are some indications that Arbella tried to elope in about 1604 and that she fell out of favour with King James I as a result. She was certainly out of sight until 1608 when she was restored to the King's good graces.