Instantiate Object at random position relative to another object

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1

How can I instantiate an object relative to another object?

I also do not want the instantiated object to be made a child of the object it is instantiated relative to.

Here is my code:

using UnityEngine;
using System.Collections;

public class Spawning : MonoBehaviour {
	public GameObject cubium;
	// Use this for initialization
	void Start () {
	
	}
	
	// Update is called once per frame
	void Update () {
		if(1 == Random.Range(1, 200)){
			Vector3 position = new Vector3(Random.Range(-100.0F, 100.0F), Random.Range(-100.0F, 100.0F), Random.Range(-100.0F, 100.0F));
			GameObject clone;
			clone = Instantiate(cubium, position, Quaternion.identity) as GameObject;

		}
	}
}
2

Vector3 firstObjPos;
void Update () {
if(1 == Random.Range(1, 200)){
Vector3 position = new Vector3(Random.Range(-100.0F, 100.0F), Random.Range(-100.0F, 100.0F), Random.Range(-100.0F, 100.0F));

                GameObject clone;
                clone = Instantiate(cubium, position+firstObjPos, Quaternion.identity) as GameObject;
     
            }
3

And here’s how to instantiate as a shild of another object: