public final long getParentBlockID() {
		return record.getLongValue(MemoryMapDBAdapter.SUB_PARENT_ID_COL);
	}
Returns the id of the MemoryBlockDB object that owns this sub block.
@return  the id of the MemoryBlockDB object that owns this sub block.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/mem/SubMemoryBlock.java