@Audited
@Entity
@Table(name = "MY_TABLE")
public class MyEntity {

	@Id
	@GeneratedValue(strategy = GenerationType.AUTO)
	@Column(name = "ID")
	private Integer id;

	@Embedded
	@AttributeOverride(name = "parentEmbeddableProp", column = @Column(name = "PARENT_EMBEDDABLE_COLUMN"))
	@AttributeOverride(name = "myEmbeddableProp", column = @Column(name = "MY_EMBEDDABLE_COLUMN"))
	private MyEmbeddable myEmbeddable = new MyEmbeddable();

}

@Embeddable
@MappedSuperclass
public abstract class AbstractEmbeddable {

	@Column(length = 123)
	private String parentEmbeddableProp;
}

@Embeddable
public class MyEmbeddable extends AbstractEmbeddable {
	@Column(length = 456)
	private String myEmbeddableProp;
}