Simplify the following text for a Grade 10 native English-speaking person.
Original: The other remains , with unrelated DNA , correspond to the family 's doctor ( Yevgeny Botkin ) , their valet ( Alexei Trupp ) , their cook ( Ivan Kharitonov ) and Alexandra 's maid ( Anna Demidova ) .
Simplified: The other remains had different DNA . They were the bodies of the family 's doctor ( Yevgeny Botkin ) , valet ( Alexei Trupp ) , cook ( Ivan Kharitonov ) and Alexandra 's maid ( Anna Demidova ) .